Abstract
No abstract available.
Full Article | PDF ArticleMore Like This
Parry Moon
J. Opt. Soc. Am. 32(5) 293-298 (1942)
Parry Moon
J. Opt. Soc. Am. 32(4) 243-246 (1942)
Herbert F. Launer
J. Opt. Soc. Am. 32(2) 84-93 (1942)
Parry Moon
Parry Moon
Massachusetts Institute of Technology, Cambridge, Massachusetts
No abstract available.
Full Article | PDF ArticleParry Moon
J. Opt. Soc. Am. 32(5) 293-298 (1942)
Parry Moon
J. Opt. Soc. Am. 32(4) 243-246 (1942)
Herbert F. Launer
J. Opt. Soc. Am. 32(2) 84-93 (1942)
Parry Moon
J. Opt. Soc. Am. 31(12) 723-729 (1941)
A. H. Taylor
J. Opt. Soc. Am. 32(9) 506-509 (1942)
You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Login to access Optica Member Subscription
You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Login to access Optica Member Subscription
You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Login to access Optica Member Subscription
You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Login to access Optica Member Subscription
No. | Name | Mfgr. | Approx. color | A | C | ||||
---|---|---|---|---|---|---|---|---|---|
x | y | ρ | x | y | ρ | ||||
Linoleum | |||||||||
280 | No. 23 | 1 | Ivory | 0.4723 | 0.4169 | 0.563 | 0.3413 | 0.3522 | 0.550 |
281 | No. 24 | 1 | Lt. gray | 0.4577 | 0.4125 | 0.273 | 0.3228 | 0.3324 | 0.271 |
282 | No. 1123 Sealex | 10 | Gray | 0.4643 | 0.4220 | 0.264 | 0.3356 | 0.3508 | 0.258 |
283 | No. 106 | 26 | Gray | 0.4641 | 0.4143 | 0.146 | 0.3305 | 0.3391 | 0.143 |
284 | No. 1003 Sealex | 10 | Gray | 0.4662 | 0.4113 | 0.122 | 0.3310 | 0.3352 | 0.120 |
285 | No. 115 | 26 | Black | 0.4450 | 0.4072 | 0.0452 | 0.3068 | 0.3138 | 0.0457 |
286 | No. 1005 Sealex | 10 | Black | 0.4450 | 0.4066 | 0.0417 | 0.3068 | 0.3131 | 0.0421 |
287 | No. 1113 Sealex | 10 | Lt. yellow | 0.4653 | 0.4243 | 0.629 | 0.3385 | 0.3594 | 0.622 |
288 | No. 1110 Sealex | 10 | Yellow | 0.5145 | 0.4361 | 0.579 | 0.4176 | 0.4244 | 0.538 |
289 | No. 136 | 26 | Yellow | 0.5203 | 0.4351 | 0.482 | 0.4262 | 0.4289 | 0.445 |
290 | No. 1126 Sealex | 10 | Orange | 0.6071 | 0.3634 | 0.245 | 0.5244 | 0.3523 | 0.190 |
291 | No. 1129 Sealex | 10 | Orange | 0.5784 | 0.3801 | 0.222 | 0.4786 | 0.3622 | 0.183 |
292 | No. 135 | 26 | Orange | 0.5987 | 0.3712 | 0.219 | 0.5145 | 0.3656 | 0.175 |
293 | No. 1130 Sealex | 10 | Lt. brown | 0.5251 | 0.4117 | 0.280 | 0.4121 | 0.3814 | 0.254 |
294 | No. 1127 Sealex | 10 | Red | 0.6225 | 0.3410 | 0.162 | 0.5241 | 0.3214 | 0.121 |
295 | No. 39 | 1 | Red | 0.6130 | 0.3468 | 0.144 | 0.5116 | 0.3256 | 0.110 |
296 | No. 100 | 26 | Brown | 0.5354 | 0.4032 | 0.135 | 0.4234 | 0.3712 | 0.120 |
297 | No. 1000 Sealex | 10 | Brown | 0.5201 | 0.4114 | 0.125 | 0.4019 | 0.3736 | 0.115 |
298 | No. 122 | 26 | Red | 0.5598 | 0.3753 | 0.105 | 0.4355 | 0.3365 | 0.0897 |
299 | No. 1002 Sealex | 10 | Dk. red | 0.5621 | 0.3746 | 0.101 | 0.4352 | 0.3370 | 0.0862 |
300 | No. 123 | 26 | Red | 0.5893 | 0.3498 | 0.101 | 0.4585 | 0.3165 | 0.0822 |
301 | No. 1118 Sealex | 10 | Chocolate | 0.5241 | 0.4023 | 0.0980 | 0.4024 | 0.3586 | 0.0889 |
302 | No. 1122 Sealex | 10 | Dk. red | 0.5814 | 0.3589 | 0.0953 | 0.4566 | 0.3253 | 0.0792 |
303 | Mastipave 664 | 26 | Dk. brown | 0.4842 | 0.4102 | 0.0656 | 0.3513 | 0.3441 | 0.0631 |
304 | No. 1004 Sealex | 10 | Dk. red | 0.4835 | 0.4020 | 0.0623 | 0.3461 | 0.3293 | 0.0600 |
305 | No. 1124 Sealex | 10 | Lt. green | 0.4724 | 0.4538 | 0.434 | 0.3668 | 0.4239 | 0.429 |
306 | No. 44 | 1 | Lt. green | 0.4196 | 0.4417 | 0.292 | 0.2967 | 0.3605 | 0.305 |
307 | No. 111 | 26 | Green | 0.4404 | 0.4394 | 0.222 | 0.3194 | 0.3639 | 0.220 |
308 | No. 1119 Sealex | 10 | Green | 0.4395 | 0.4449 | 0.169 | 0.3197 | 0.3730 | 0.174 |
309 | No. 1128 Sealex | 10 | Green | 0.3893 | 0.4653 | 0.127 | 0.2750 | 0.3819 | 0.139 |
310 | No. 110 | 26 | Dk. green | 0.4117 | 0.4457 | 0.0751 | 0.2944 | 0.3478 | 0.0750 |
311 | No. 1120 Sealex | 10 | Dk. green | 0.4165 | 0.4473 | 0.0731 | 0.2973 | 0.3592 | 0.0757 |
312 | No. 1001 Sealex | 10 | Dk. green | 0.4244 | 0.4284 | 0.0683 | 0.2965 | 0.3390 | 0.0709 |
313 | No. 1125 Sealex | 10 | Blue | 0.3331 | 0.3550 | 0.0969 | 0.2136 | 0.2229 | 0.113 |
314 | No. 1116 Sealex | 10 | Dk. blue | 0.3877 | 0.3970 | 0.0738 | 0.2544 | 0.2816 | 0.0799 |
315 | No. 1114 Sealex | 10 | Dk. blue | 0.3965 | 0.3841 | 0.0731 | 0.2584 | 0.2652 | 0.0781 |
316 | No. 29 | 1 | Dk. blue | 0.3780 | 0.3823 | 0.0687 | 0.2472 | 0.2557 | 0.0744 |
317 | No. 1131 Sealex | 10 | Dk. blue | 0.3975 | 0.3851 | 0.0490 | 0.2596 | 0.2658 | 0.0522 |
318 | No. 47 | 1 | Eggplant | 0.4819 | 0.3921 | 0.0681 | 0.3369 | 0.3139 | 0.0651 |
Asphalt tiles | |||||||||
319 | Flexachrome F-4 | 29 | Lt. gray | 0.4456 | 0.4097 | 0.593 | 0.3089 | 0.3198 | 0.596 |
320 | White 132 | 17 | Gray | 0.4751 | 0.4178 | 0.310 | 0.3454 | 0.3540 | 0.301 |
321 | Azrock C-6 | 31 | Gray | 0.4745 | 0.4216 | 0.253 | 0.3464 | 0.3604 | 0.248 |
322 | Flexachrome F-3 | 29 | Gray | 0.4440 | 0.4077 | 0.245 | 0.3068 | 0.3142 | 0.246 |
323 | No. 266 asphalt tile | 1 | Gray | 0.4674 | 0.4197 | 0.221 | 0.3373 | 0.3510 | 0.216 |
324 | Tile-Tex 52 | 29 | Gray | 0.4682 | 0.4189 | 0.196 | 0.3384 | 0.3497 | 0.192 |
325 | Dove gray 125 | 17 | Gray | 0.4731 | 0.4182 | 0.164 | 0.3423 | 0.3523 | 0.163 |
326 | Pearl gray, No. 24 | 15 | Gray | 0.4527 | 0.4190 | 0.150 | 0.3199 | 0.3403 | 0.150 |
327 | Flexachrome F-14 | 29 | Gray | 0.4123 | 0.4037 | 0.127 | 0.2781 | 0.2921 | 0.132 |
328 | Azrock C-94 | 31 | Gray | 0.4631 | 0.4164 | 0.117 | 0.3304 | 0.3427 | 0.116 |
329 | Flexachrome F-2 | 29 | Gray | 0.4421 | 0.4057 | 0.107 | 0.3041 | 0.3099 | 0.108 |
330 | Tile-Tex 46 | 29 | Gray | 0.4679 | 0.4161 | 0.0850 | 0.3359 | 0.3442 | 0.0832 |
331 | French gray, No. 14 | 15 | Dk. gray | 0.4613 | 0.4156 | 0.0821 | 0.3284 | 0.3383 | 0.0811 |
332 | Dark gray, No. 6 | 15 | Dk. gray | 0.4597 | 0.4113 | 0.0582 | 0.3257 | 0.3284 | 0.0572 |
333 | Black, No. 1 | 15 | Black | 0.4510 | 0.4089 | 0.0492 | 0.3139 | 0.3204 | 0.0492 |
334 | Flexachrome F-1 | 29 | Black | 0.4455 | 0.4066 | 0.0452 | 0.3073 | 0.3131 | 0.0453 |
335 | Azrock C-1 | 31 | Black | 0.4476 | 0.4079 | 0.0445 | 0.3099 | 0.3164 | 0.0445 |
336 | Tile-Tex 41 | 29 | Black | 0.4475 | 0.4076 | 0.0396 | 0.3100 | 0.3165 | 0.0396 |
337 | Flexachrome F-15 | 29 | Cream | 0.4796 | 0.4262 | 0.595 | 0.3576 | 0.3701 | 0.575 |
338 | Flexachrome F-8 | 29 | Yellow | 0.4994 | 0.4485 | 0.472 | 0.4014 | 0.4405 | 0.450 |
339 | No. 270 asphalt tile | 1 | Cream | 0.4807 | 0.4250 | 0.483 | 0.3562 | 0.3729 | 0.469 |
340 | Azrock C-90 | 31 | Cream | 0.4766 | 0.4214 | 0.427 | 0.3496 | 0.3626 | 0.414 |
341 | Azrock C-92 | 31 | Tan | 0.5016 | 0.4216 | 0.342 | 0.3834 | 0.3813 | 0.324 |
342 | Buff, No. 21 | 15 | Buff | 0.5330 | 0.4119 | 0.187 | 0.4251 | 0.3892 | 0.168 |
343 | No. 247 asphalt tile | 1 | Brown | 0.5305 | 0.4109 | 0.165 | 0.4234 | 0.3813 | 0.147 |
344 | Azrock C-11 | 31 | Brown | 0.5236 | 0.4167 | 0.154 | 0.4200 | 0.3952 | 0.141 |
345 | Flexachrome F-7 | 29 | Red | 0.5404 | 0.3843 | 0.148 | 0.4130 | 0.3390 | 0.131 |
346 | Tile-Tex 43 | 29 | Brown | 0.5413 | 0.4011 | 0.144 | 0.4306 | 0.3742 | 0.127 |
347 | Tan, No. 11 | 15 | Brown | 0.5358 | 0.4004 | 0.117 | 0.4183 | 0.3670 | 0.105 |
348 | Azrock C-9 | 31 | Brown | 0.5055 | 0.4169 | 0.114 | 0.3859 | 0.3726 | 0.107 |
349 | Azrock C-8 | 31 | Red | 0.5509 | 0.3806 | 0.114 | 0.4238 | 0.3402 | 0.0997 |
350 | Terra cotta, No. 12 | 15 | Red | 0.5513 | 0.3818 | 0.112 | 0.4276 | 0.3423 | 0.0972 |
351 | Flexachrome F-6 | 29 | Red | 0.5904 | 0.3510 | 0.109 | 0.4622 | 0.3225 | 0.0879 |
352 | Rose taupe, No. 22 | 15 | Brown | 0.5010 | 0.4032 | 0.103 | 0.3680 | 0.3443 | 0.0967 |
353 | Tile-Tex 51 | 29 | Dk. red | 0.5486 | 0.3811 | 0.0887 | 0.4202 | 0.3406 | 0.0775 |
354 | Toledo red 109 | 17 | Dk. red | 0.5391 | 0.3863 | 0.0872 | 0.4143 | 0.3380 | 0.0766 |
355 | Flexachrome F-5 | 29 | Dk. brown | 0.4992 | 0.4046 | 0.0838 | 0.3675 | 0.3451 | 0.0785 |
356 | Tile-Tex 42 | 29 | Dk. red | 0.5222 | 0.3904 | 0.0718 | 0.3949 | 0.3358 | 0.0648 |
357 | Red, No. 3 | 15 | Dk. red | 0.4876 | 0.4001 | 0.0598 | 0.3492 | 0.3292 | 0.0569 |
358 | Azrock C-3 | 31 | Dk. red | 0.4840 | 0.4007 | 0.0589 | 0.3455 | 0.3268 | 0.0563 |
359 | Tile-Tex 45 | 29 | Dk. red | 0.4996 | 0.3976 | 0.0588 | 0.3630 | 0.3332 | 0.0550 |
360 | Brown, No. 4 | 15 | Dk. brown | 0.4752 | 0.4112 | 0.0579 | 0.3408 | 0.3396 | 0.0562 |
361 | Azrock C-4 | 31 | Dk. brown | 0.4677 | 0.4120 | 0.0560 | 0.3328 | 0.3356 | 0.0550 |
362 | Azrock C-5 | 31 | Dk. brown | 0.4546 | 0.4165 | 0.0534 | 0.3213 | 0.3346 | 0.0533 |
363 | Mahogany, No. 2 | 15 | Dk. red | 0.4671 | 0.4057 | 0.0520 | 0.3290 | 0.3240 | 0.0508 |
364 | Quarry red, 106 | 17 | Dk. red | 0.4740 | 0.4023 | 0.0499 | 0.3346 | 0.3228 | 0.0484 |
365 | Azrock C-2 | 31 | Dk. brown | 0.4685 | 0.4039 | 0.0489 | 0.3289 | 0.3230 | 0.0478 |
366 | No. 257 asphalt tile | 1 | Green | 0.4387 | 0.4457 | 0.150 | 0.3136 | 0.3844 | 0.155 |
367 | Flexachrome F-9 | 29 | Green | 0.4050 | 0.4565 | 0.146 | 0.2878 | 0.3820 | 0.157 |
368 | Azrock C-7 | 31 | Green | 0.4482 | 0.4506 | 0.134 | 0.3284 | 0.3904 | 0.136 |
369 | Flexachrome F-10 | 29 | Green | 0.3875 | 0.4406 | 0.122 | 0.2680 | 0.3356 | 0.132 |
370 | Flexachrome F-11 | 29 | Green | 0.3876 | 0.4430 | 0.102 | 0.2674 | 0.3501 | 0.123 |
371 | Tile-Tex 50 | 29 | Green | 0.4172 | 0.4539 | 0.101 | 0.3010 | 0.3732 | 0.105 |
372 | Emerald green, No. 23 | 15 | Green | 0.4260 | 0.4449 | 0.0899 | 0.3026 | 0.3694 | 0.0942 |
373 | Azrock C-93 | 31 | Dk. green | 0.4376 | 0.4277 | 0.0741 | 0.3067 | 0.3478 | 0.0759 |
374 | Olive green, No. 5 | 15 | Dk. green | 0.4621 | 0.4214 | 0.0622 | 0.3321 | 0.3481 | 0.0615 |
375 | Tile-Tex 44 | 29 | Dk. green | 0.4364 | 0.4281 | 0.0565 | 0.3080 | 0.3439 | 0.0577 |
376 | Ivy green, No. 13 | 15 | Dk. green | 0.4507 | 0.4236 | 0.0558 | 0.3208 | 0.3442 | 0.0561 |
377 | No. 235 asphalt tile | 1 | Blue | 0.3934 | 0.4080 | 0.112 | 0.2601 | 0.3012 | 0.121 |
378 | Light blue. No. 32 | 15 | Blue | 0.3991 | 0.4153 | 0.112 | 0.2676 | 0.3122 | 0.121 |
379 | Azrock C-91 | 31 | Dk. blue | 0.3995 | 0.3955 | 0.0877 | 0.2619 | 0.2859 | 0.0941 |
380 | Flexachrome F-13 | 29 | Dk. blue | 0.3800 | 0.3704 | 0.0861 | 0.2450 | 0.2416 | 0.0929 |
381 | Azrock C-10 | 31 | Dk. blue | 0.3806 | 0.3963 | 0.0650 | 0.2516 | 0.2720 | 0.0697 |
382 | Dark blue, No. 31 | 15 | Dk. blue | 0.4214 | 0.4064 | 0.0582 | 0.2841 | 0.3057 | 0.0607 |
383 | Tile-Tex 53 | 29 | Dk. blue | 0.3950 | 0.4031 | 0.0570 | 0.2636 | 0.2864 | 0.0606 |
384 | Flexachrome F-12 | 29 | Dk. blue | 0.3777 | 0.3676 | 0.0482 | 0.2441 | 0.2353 | 0.0520 |
Wood, cork, and rubber | |||||||||
385 | Bruce block, white oak, light | 4 | Brown | 0.5228 | 0.4102 | 0.288 | 0.4074 | 0.3790 | 0.262 |
386 | Bruce block, white oak, medium | 4 | Dk. brown | 0.5158 | 0.4113 | 0.198 | 0.3968 | 0.3749 | 0.183 |
387 | Bruce block, white oak, dark | 4 | Dk. brown | 0.5172 | 0.4076 | 0.131 | 0.3951 | 0.3682 | 0.121 |
388 | Cork carpet 300 | 26 | Natural | 0.5098 | 0.4103 | 0.233 | 0.3837 | 0.3693 | 0.216 |
389 | Kencork | 17 | Natural | 0.5142 | 0.4095 | 0.216 | 0.3922 | 0.3706 | 0.200 |
390 | Cork tile, light | 1 | Natural | 0.5155 | 0.4098 | 0.176 | 0.3944 | 0.3733 | 0.163 |
391 | Cork tile, medium | 1 | Natural | 0.5142 | 0.4069 | 0.114 | 0.3888 | 0.3660 | 0.105 |
392 | Cork carpet 310 | 26 | Dk. green | 0.4216 | 0.4431 | 0.0849 | 0.3000 | 0.3649 | 0.0891 |
393 | Rubber tile 510, quaker gray | 1 | Gray | 0.4644 | 0.4146 | 0.318 | 0.3308 | 0.3414 | 0.313 |
394 | Rubber tile 531, white | 1 | Cream | 0.4665 | 0.4158 | 0.537 | 0.3334 | 0.3450 | 0.527 |
395 | Rubber tile 538, topaz | 1 | Buff | 0.5271 | 0.4206 | 0.280 | 0.4262 | 0.3994 | 0.252 |
396 | Rubber tile 576, robin’s egg | 1 | B1. green | 0.4261 | 0.4227 | 0.195 | 0.2941 | 0.3302 | 0.202 |
Carpets | |||||||||
397 | No. 1142 | 3 | Tan | 0.5028 | 0.4069 | 0.119 | 0.3752 | 0.3588 | 0.112 |
398 | No. 3433 | 3 | Red | 0.5544 | 0.3681 | 0.0750 | 0.4132 | 0.3279 | 0.0652 |
399 | No. 1104 | 3 | Dk. brown | 0.5255 | 0.3956 | 0.0322 | 0.3956 | 0.3549 | 0.0292 |
400 | No. 3386 | 3 | Dk. red | 0.6141 | 0.3360 | 0.0271 | 0.4927 | 0.3082 | 0.0207 |
401 | No. 867 | 3 | Dk. red | 0.5332 | 0.3618 | 0.0148 | 0.3730 | 0.2971 | 0.0131 |
402 | No. 841 | 3 | Dk. red | 0.4884 | 0.3900 | 0.0116 | 0.3444 | 0.3178 | 0.0110 |
403 | No. 9970 | 3 | Green | 0.3911 | 0.4222 | 0.0532 | 0.2640 | 0.3202 | 0.0572 |
404 | No. 7717 | 3 | Green | 0.4302 | 0.4295 | 0.0363 | 0.3007 | 0.3503 | 0.0375 |
405 | No. 9971 | 3 | Dk. green | 0.4293 | 0.4330 | 0.0186 | 0.3015 | 0.3564 | 0.0193 |
406 | No. 2239 | 3 | Blue | 0.4033 | 0.4089 | 0.0578 | 0.2702 | 0.3033 | 0.0611 |
407 | No. 2241 | 3 | Blue | 0.3766 | 0.3814 | 0.0340 | 0.2442 | 0.2577 | 0.0371 |
408 | No. 202 | 3 | Dk. blue | 0.3738 | 0.3806 | 0.0143 | 0.2421 | 0.2568 | 0.0157 |
No. | Description | ρ | Work | Ceiling | Floor | |
---|---|---|---|---|---|---|
|
|
|
| |||
319 | Asphalt tile, lt. gray | 0.593 | 0.94 | 1.27 | 0.50 | 1.5 |
394 | Rubber tile, cream | 0.537 | 0.92 | 1.24 | 0.45 | 1.6 |
340 | Asphalt tile, cream | 0.427 | 0.88 | 1.18 | 0.34 | 2.1 |
393 | Rubber tile, gray | 0.318 | 0.84 | 1.13 | 0.25 | 2.7 |
282 | Linoleum, gray | 0.264 | 0.82 | 1.10 | 0.20 | 3.3 |
386 | Oak flooring, brown | 0.198 | 0.80 | 1.07 | 0.15 | 4.3 |
372 | Asphalt tile, green | 0.0899 | 0.77 | 1.03 | 0.065 | 9.4 |
332 | Asphalt tile, dk. gray | 0.0582 | 0.76 | 1.02 | 0.042 | 14.4 |
Reflection factors and trichromatic coefficients.
No. | Name | Mfgr. | Approx. color | A | C | ||||
---|---|---|---|---|---|---|---|---|---|
x | y | ρ | x | y | ρ | ||||
Linoleum | |||||||||
280 | No. 23 | 1 | Ivory | 0.4723 | 0.4169 | 0.563 | 0.3413 | 0.3522 | 0.550 |
281 | No. 24 | 1 | Lt. gray | 0.4577 | 0.4125 | 0.273 | 0.3228 | 0.3324 | 0.271 |
282 | No. 1123 Sealex | 10 | Gray | 0.4643 | 0.4220 | 0.264 | 0.3356 | 0.3508 | 0.258 |
283 | No. 106 | 26 | Gray | 0.4641 | 0.4143 | 0.146 | 0.3305 | 0.3391 | 0.143 |
284 | No. 1003 Sealex | 10 | Gray | 0.4662 | 0.4113 | 0.122 | 0.3310 | 0.3352 | 0.120 |
285 | No. 115 | 26 | Black | 0.4450 | 0.4072 | 0.0452 | 0.3068 | 0.3138 | 0.0457 |
286 | No. 1005 Sealex | 10 | Black | 0.4450 | 0.4066 | 0.0417 | 0.3068 | 0.3131 | 0.0421 |
287 | No. 1113 Sealex | 10 | Lt. yellow | 0.4653 | 0.4243 | 0.629 | 0.3385 | 0.3594 | 0.622 |
288 | No. 1110 Sealex | 10 | Yellow | 0.5145 | 0.4361 | 0.579 | 0.4176 | 0.4244 | 0.538 |
289 | No. 136 | 26 | Yellow | 0.5203 | 0.4351 | 0.482 | 0.4262 | 0.4289 | 0.445 |
290 | No. 1126 Sealex | 10 | Orange | 0.6071 | 0.3634 | 0.245 | 0.5244 | 0.3523 | 0.190 |
291 | No. 1129 Sealex | 10 | Orange | 0.5784 | 0.3801 | 0.222 | 0.4786 | 0.3622 | 0.183 |
292 | No. 135 | 26 | Orange | 0.5987 | 0.3712 | 0.219 | 0.5145 | 0.3656 | 0.175 |
293 | No. 1130 Sealex | 10 | Lt. brown | 0.5251 | 0.4117 | 0.280 | 0.4121 | 0.3814 | 0.254 |
294 | No. 1127 Sealex | 10 | Red | 0.6225 | 0.3410 | 0.162 | 0.5241 | 0.3214 | 0.121 |
295 | No. 39 | 1 | Red | 0.6130 | 0.3468 | 0.144 | 0.5116 | 0.3256 | 0.110 |
296 | No. 100 | 26 | Brown | 0.5354 | 0.4032 | 0.135 | 0.4234 | 0.3712 | 0.120 |
297 | No. 1000 Sealex | 10 | Brown | 0.5201 | 0.4114 | 0.125 | 0.4019 | 0.3736 | 0.115 |
298 | No. 122 | 26 | Red | 0.5598 | 0.3753 | 0.105 | 0.4355 | 0.3365 | 0.0897 |
299 | No. 1002 Sealex | 10 | Dk. red | 0.5621 | 0.3746 | 0.101 | 0.4352 | 0.3370 | 0.0862 |
300 | No. 123 | 26 | Red | 0.5893 | 0.3498 | 0.101 | 0.4585 | 0.3165 | 0.0822 |
301 | No. 1118 Sealex | 10 | Chocolate | 0.5241 | 0.4023 | 0.0980 | 0.4024 | 0.3586 | 0.0889 |
302 | No. 1122 Sealex | 10 | Dk. red | 0.5814 | 0.3589 | 0.0953 | 0.4566 | 0.3253 | 0.0792 |
303 | Mastipave 664 | 26 | Dk. brown | 0.4842 | 0.4102 | 0.0656 | 0.3513 | 0.3441 | 0.0631 |
304 | No. 1004 Sealex | 10 | Dk. red | 0.4835 | 0.4020 | 0.0623 | 0.3461 | 0.3293 | 0.0600 |
305 | No. 1124 Sealex | 10 | Lt. green | 0.4724 | 0.4538 | 0.434 | 0.3668 | 0.4239 | 0.429 |
306 | No. 44 | 1 | Lt. green | 0.4196 | 0.4417 | 0.292 | 0.2967 | 0.3605 | 0.305 |
307 | No. 111 | 26 | Green | 0.4404 | 0.4394 | 0.222 | 0.3194 | 0.3639 | 0.220 |
308 | No. 1119 Sealex | 10 | Green | 0.4395 | 0.4449 | 0.169 | 0.3197 | 0.3730 | 0.174 |
309 | No. 1128 Sealex | 10 | Green | 0.3893 | 0.4653 | 0.127 | 0.2750 | 0.3819 | 0.139 |
310 | No. 110 | 26 | Dk. green | 0.4117 | 0.4457 | 0.0751 | 0.2944 | 0.3478 | 0.0750 |
311 | No. 1120 Sealex | 10 | Dk. green | 0.4165 | 0.4473 | 0.0731 | 0.2973 | 0.3592 | 0.0757 |
312 | No. 1001 Sealex | 10 | Dk. green | 0.4244 | 0.4284 | 0.0683 | 0.2965 | 0.3390 | 0.0709 |
313 | No. 1125 Sealex | 10 | Blue | 0.3331 | 0.3550 | 0.0969 | 0.2136 | 0.2229 | 0.113 |
314 | No. 1116 Sealex | 10 | Dk. blue | 0.3877 | 0.3970 | 0.0738 | 0.2544 | 0.2816 | 0.0799 |
315 | No. 1114 Sealex | 10 | Dk. blue | 0.3965 | 0.3841 | 0.0731 | 0.2584 | 0.2652 | 0.0781 |
316 | No. 29 | 1 | Dk. blue | 0.3780 | 0.3823 | 0.0687 | 0.2472 | 0.2557 | 0.0744 |
317 | No. 1131 Sealex | 10 | Dk. blue | 0.3975 | 0.3851 | 0.0490 | 0.2596 | 0.2658 | 0.0522 |
318 | No. 47 | 1 | Eggplant | 0.4819 | 0.3921 | 0.0681 | 0.3369 | 0.3139 | 0.0651 |
Asphalt tiles | |||||||||
319 | Flexachrome F-4 | 29 | Lt. gray | 0.4456 | 0.4097 | 0.593 | 0.3089 | 0.3198 | 0.596 |
320 | White 132 | 17 | Gray | 0.4751 | 0.4178 | 0.310 | 0.3454 | 0.3540 | 0.301 |
321 | Azrock C-6 | 31 | Gray | 0.4745 | 0.4216 | 0.253 | 0.3464 | 0.3604 | 0.248 |
322 | Flexachrome F-3 | 29 | Gray | 0.4440 | 0.4077 | 0.245 | 0.3068 | 0.3142 | 0.246 |
323 | No. 266 asphalt tile | 1 | Gray | 0.4674 | 0.4197 | 0.221 | 0.3373 | 0.3510 | 0.216 |
324 | Tile-Tex 52 | 29 | Gray | 0.4682 | 0.4189 | 0.196 | 0.3384 | 0.3497 | 0.192 |
325 | Dove gray 125 | 17 | Gray | 0.4731 | 0.4182 | 0.164 | 0.3423 | 0.3523 | 0.163 |
326 | Pearl gray, No. 24 | 15 | Gray | 0.4527 | 0.4190 | 0.150 | 0.3199 | 0.3403 | 0.150 |
327 | Flexachrome F-14 | 29 | Gray | 0.4123 | 0.4037 | 0.127 | 0.2781 | 0.2921 | 0.132 |
328 | Azrock C-94 | 31 | Gray | 0.4631 | 0.4164 | 0.117 | 0.3304 | 0.3427 | 0.116 |
329 | Flexachrome F-2 | 29 | Gray | 0.4421 | 0.4057 | 0.107 | 0.3041 | 0.3099 | 0.108 |
330 | Tile-Tex 46 | 29 | Gray | 0.4679 | 0.4161 | 0.0850 | 0.3359 | 0.3442 | 0.0832 |
331 | French gray, No. 14 | 15 | Dk. gray | 0.4613 | 0.4156 | 0.0821 | 0.3284 | 0.3383 | 0.0811 |
332 | Dark gray, No. 6 | 15 | Dk. gray | 0.4597 | 0.4113 | 0.0582 | 0.3257 | 0.3284 | 0.0572 |
333 | Black, No. 1 | 15 | Black | 0.4510 | 0.4089 | 0.0492 | 0.3139 | 0.3204 | 0.0492 |
334 | Flexachrome F-1 | 29 | Black | 0.4455 | 0.4066 | 0.0452 | 0.3073 | 0.3131 | 0.0453 |
335 | Azrock C-1 | 31 | Black | 0.4476 | 0.4079 | 0.0445 | 0.3099 | 0.3164 | 0.0445 |
336 | Tile-Tex 41 | 29 | Black | 0.4475 | 0.4076 | 0.0396 | 0.3100 | 0.3165 | 0.0396 |
337 | Flexachrome F-15 | 29 | Cream | 0.4796 | 0.4262 | 0.595 | 0.3576 | 0.3701 | 0.575 |
338 | Flexachrome F-8 | 29 | Yellow | 0.4994 | 0.4485 | 0.472 | 0.4014 | 0.4405 | 0.450 |
339 | No. 270 asphalt tile | 1 | Cream | 0.4807 | 0.4250 | 0.483 | 0.3562 | 0.3729 | 0.469 |
340 | Azrock C-90 | 31 | Cream | 0.4766 | 0.4214 | 0.427 | 0.3496 | 0.3626 | 0.414 |
341 | Azrock C-92 | 31 | Tan | 0.5016 | 0.4216 | 0.342 | 0.3834 | 0.3813 | 0.324 |
342 | Buff, No. 21 | 15 | Buff | 0.5330 | 0.4119 | 0.187 | 0.4251 | 0.3892 | 0.168 |
343 | No. 247 asphalt tile | 1 | Brown | 0.5305 | 0.4109 | 0.165 | 0.4234 | 0.3813 | 0.147 |
344 | Azrock C-11 | 31 | Brown | 0.5236 | 0.4167 | 0.154 | 0.4200 | 0.3952 | 0.141 |
345 | Flexachrome F-7 | 29 | Red | 0.5404 | 0.3843 | 0.148 | 0.4130 | 0.3390 | 0.131 |
346 | Tile-Tex 43 | 29 | Brown | 0.5413 | 0.4011 | 0.144 | 0.4306 | 0.3742 | 0.127 |
347 | Tan, No. 11 | 15 | Brown | 0.5358 | 0.4004 | 0.117 | 0.4183 | 0.3670 | 0.105 |
348 | Azrock C-9 | 31 | Brown | 0.5055 | 0.4169 | 0.114 | 0.3859 | 0.3726 | 0.107 |
349 | Azrock C-8 | 31 | Red | 0.5509 | 0.3806 | 0.114 | 0.4238 | 0.3402 | 0.0997 |
350 | Terra cotta, No. 12 | 15 | Red | 0.5513 | 0.3818 | 0.112 | 0.4276 | 0.3423 | 0.0972 |
351 | Flexachrome F-6 | 29 | Red | 0.5904 | 0.3510 | 0.109 | 0.4622 | 0.3225 | 0.0879 |
352 | Rose taupe, No. 22 | 15 | Brown | 0.5010 | 0.4032 | 0.103 | 0.3680 | 0.3443 | 0.0967 |
353 | Tile-Tex 51 | 29 | Dk. red | 0.5486 | 0.3811 | 0.0887 | 0.4202 | 0.3406 | 0.0775 |
354 | Toledo red 109 | 17 | Dk. red | 0.5391 | 0.3863 | 0.0872 | 0.4143 | 0.3380 | 0.0766 |
355 | Flexachrome F-5 | 29 | Dk. brown | 0.4992 | 0.4046 | 0.0838 | 0.3675 | 0.3451 | 0.0785 |
356 | Tile-Tex 42 | 29 | Dk. red | 0.5222 | 0.3904 | 0.0718 | 0.3949 | 0.3358 | 0.0648 |
357 | Red, No. 3 | 15 | Dk. red | 0.4876 | 0.4001 | 0.0598 | 0.3492 | 0.3292 | 0.0569 |
358 | Azrock C-3 | 31 | Dk. red | 0.4840 | 0.4007 | 0.0589 | 0.3455 | 0.3268 | 0.0563 |
359 | Tile-Tex 45 | 29 | Dk. red | 0.4996 | 0.3976 | 0.0588 | 0.3630 | 0.3332 | 0.0550 |
360 | Brown, No. 4 | 15 | Dk. brown | 0.4752 | 0.4112 | 0.0579 | 0.3408 | 0.3396 | 0.0562 |
361 | Azrock C-4 | 31 | Dk. brown | 0.4677 | 0.4120 | 0.0560 | 0.3328 | 0.3356 | 0.0550 |
362 | Azrock C-5 | 31 | Dk. brown | 0.4546 | 0.4165 | 0.0534 | 0.3213 | 0.3346 | 0.0533 |
363 | Mahogany, No. 2 | 15 | Dk. red | 0.4671 | 0.4057 | 0.0520 | 0.3290 | 0.3240 | 0.0508 |
364 | Quarry red, 106 | 17 | Dk. red | 0.4740 | 0.4023 | 0.0499 | 0.3346 | 0.3228 | 0.0484 |
365 | Azrock C-2 | 31 | Dk. brown | 0.4685 | 0.4039 | 0.0489 | 0.3289 | 0.3230 | 0.0478 |
366 | No. 257 asphalt tile | 1 | Green | 0.4387 | 0.4457 | 0.150 | 0.3136 | 0.3844 | 0.155 |
367 | Flexachrome F-9 | 29 | Green | 0.4050 | 0.4565 | 0.146 | 0.2878 | 0.3820 | 0.157 |
368 | Azrock C-7 | 31 | Green | 0.4482 | 0.4506 | 0.134 | 0.3284 | 0.3904 | 0.136 |
369 | Flexachrome F-10 | 29 | Green | 0.3875 | 0.4406 | 0.122 | 0.2680 | 0.3356 | 0.132 |
370 | Flexachrome F-11 | 29 | Green | 0.3876 | 0.4430 | 0.102 | 0.2674 | 0.3501 | 0.123 |
371 | Tile-Tex 50 | 29 | Green | 0.4172 | 0.4539 | 0.101 | 0.3010 | 0.3732 | 0.105 |
372 | Emerald green, No. 23 | 15 | Green | 0.4260 | 0.4449 | 0.0899 | 0.3026 | 0.3694 | 0.0942 |
373 | Azrock C-93 | 31 | Dk. green | 0.4376 | 0.4277 | 0.0741 | 0.3067 | 0.3478 | 0.0759 |
374 | Olive green, No. 5 | 15 | Dk. green | 0.4621 | 0.4214 | 0.0622 | 0.3321 | 0.3481 | 0.0615 |
375 | Tile-Tex 44 | 29 | Dk. green | 0.4364 | 0.4281 | 0.0565 | 0.3080 | 0.3439 | 0.0577 |
376 | Ivy green, No. 13 | 15 | Dk. green | 0.4507 | 0.4236 | 0.0558 | 0.3208 | 0.3442 | 0.0561 |
377 | No. 235 asphalt tile | 1 | Blue | 0.3934 | 0.4080 | 0.112 | 0.2601 | 0.3012 | 0.121 |
378 | Light blue. No. 32 | 15 | Blue | 0.3991 | 0.4153 | 0.112 | 0.2676 | 0.3122 | 0.121 |
379 | Azrock C-91 | 31 | Dk. blue | 0.3995 | 0.3955 | 0.0877 | 0.2619 | 0.2859 | 0.0941 |
380 | Flexachrome F-13 | 29 | Dk. blue | 0.3800 | 0.3704 | 0.0861 | 0.2450 | 0.2416 | 0.0929 |
381 | Azrock C-10 | 31 | Dk. blue | 0.3806 | 0.3963 | 0.0650 | 0.2516 | 0.2720 | 0.0697 |
382 | Dark blue, No. 31 | 15 | Dk. blue | 0.4214 | 0.4064 | 0.0582 | 0.2841 | 0.3057 | 0.0607 |
383 | Tile-Tex 53 | 29 | Dk. blue | 0.3950 | 0.4031 | 0.0570 | 0.2636 | 0.2864 | 0.0606 |
384 | Flexachrome F-12 | 29 | Dk. blue | 0.3777 | 0.3676 | 0.0482 | 0.2441 | 0.2353 | 0.0520 |
Wood, cork, and rubber | |||||||||
385 | Bruce block, white oak, light | 4 | Brown | 0.5228 | 0.4102 | 0.288 | 0.4074 | 0.3790 | 0.262 |
386 | Bruce block, white oak, medium | 4 | Dk. brown | 0.5158 | 0.4113 | 0.198 | 0.3968 | 0.3749 | 0.183 |
387 | Bruce block, white oak, dark | 4 | Dk. brown | 0.5172 | 0.4076 | 0.131 | 0.3951 | 0.3682 | 0.121 |
388 | Cork carpet 300 | 26 | Natural | 0.5098 | 0.4103 | 0.233 | 0.3837 | 0.3693 | 0.216 |
389 | Kencork | 17 | Natural | 0.5142 | 0.4095 | 0.216 | 0.3922 | 0.3706 | 0.200 |
390 | Cork tile, light | 1 | Natural | 0.5155 | 0.4098 | 0.176 | 0.3944 | 0.3733 | 0.163 |
391 | Cork tile, medium | 1 | Natural | 0.5142 | 0.4069 | 0.114 | 0.3888 | 0.3660 | 0.105 |
392 | Cork carpet 310 | 26 | Dk. green | 0.4216 | 0.4431 | 0.0849 | 0.3000 | 0.3649 | 0.0891 |
393 | Rubber tile 510, quaker gray | 1 | Gray | 0.4644 | 0.4146 | 0.318 | 0.3308 | 0.3414 | 0.313 |
394 | Rubber tile 531, white | 1 | Cream | 0.4665 | 0.4158 | 0.537 | 0.3334 | 0.3450 | 0.527 |
395 | Rubber tile 538, topaz | 1 | Buff | 0.5271 | 0.4206 | 0.280 | 0.4262 | 0.3994 | 0.252 |
396 | Rubber tile 576, robin’s egg | 1 | B1. green | 0.4261 | 0.4227 | 0.195 | 0.2941 | 0.3302 | 0.202 |
Carpets | |||||||||
397 | No. 1142 | 3 | Tan | 0.5028 | 0.4069 | 0.119 | 0.3752 | 0.3588 | 0.112 |
398 | No. 3433 | 3 | Red | 0.5544 | 0.3681 | 0.0750 | 0.4132 | 0.3279 | 0.0652 |
399 | No. 1104 | 3 | Dk. brown | 0.5255 | 0.3956 | 0.0322 | 0.3956 | 0.3549 | 0.0292 |
400 | No. 3386 | 3 | Dk. red | 0.6141 | 0.3360 | 0.0271 | 0.4927 | 0.3082 | 0.0207 |
401 | No. 867 | 3 | Dk. red | 0.5332 | 0.3618 | 0.0148 | 0.3730 | 0.2971 | 0.0131 |
402 | No. 841 | 3 | Dk. red | 0.4884 | 0.3900 | 0.0116 | 0.3444 | 0.3178 | 0.0110 |
403 | No. 9970 | 3 | Green | 0.3911 | 0.4222 | 0.0532 | 0.2640 | 0.3202 | 0.0572 |
404 | No. 7717 | 3 | Green | 0.4302 | 0.4295 | 0.0363 | 0.3007 | 0.3503 | 0.0375 |
405 | No. 9971 | 3 | Dk. green | 0.4293 | 0.4330 | 0.0186 | 0.3015 | 0.3564 | 0.0193 |
406 | No. 2239 | 3 | Blue | 0.4033 | 0.4089 | 0.0578 | 0.2702 | 0.3033 | 0.0611 |
407 | No. 2241 | 3 | Blue | 0.3766 | 0.3814 | 0.0340 | 0.2442 | 0.2577 | 0.0371 |
408 | No. 202 | 3 | Dk. blue | 0.3738 | 0.3806 | 0.0143 | 0.2421 | 0.2568 | 0.0157 |
Effect of floor materials on room lighting.
No. | Description | ρ | Work | Ceiling | Floor | |
---|---|---|---|---|---|---|
|
|
|
| |||
319 | Asphalt tile, lt. gray | 0.593 | 0.94 | 1.27 | 0.50 | 1.5 |
394 | Rubber tile, cream | 0.537 | 0.92 | 1.24 | 0.45 | 1.6 |
340 | Asphalt tile, cream | 0.427 | 0.88 | 1.18 | 0.34 | 2.1 |
393 | Rubber tile, gray | 0.318 | 0.84 | 1.13 | 0.25 | 2.7 |
282 | Linoleum, gray | 0.264 | 0.82 | 1.10 | 0.20 | 3.3 |
386 | Oak flooring, brown | 0.198 | 0.80 | 1.07 | 0.15 | 4.3 |
372 | Asphalt tile, green | 0.0899 | 0.77 | 1.03 | 0.065 | 9.4 |
332 | Asphalt tile, dk. gray | 0.0582 | 0.76 | 1.02 | 0.042 | 14.4 |