Fundemental Data

Tungsten light and daylight,
2 and 10 degree observers

...truncated range, rounded values...

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The CIE standard illuminants and observers, rounded to 4 and 5 places, range 360 to 740 nm. They are believed to be accurate, but are not guaranteed. Users may find this form useful for spreadsheets; in mine, I can select, copy, and paste into a spreadsheet in seconds. In Excell, I use the Data, Text to Columns function, Fixed Width function.

The official, full CIE data for smaller increments and wider ranges are available at the CIE Home Page.

nm A D65 x_2 y_2 z_2 x_10 y_10 z_10 360 6.1446 46.6383 0.00013 0.00000 0.00061 0.00000 0.00000 0.00000 370 7.8214 52.0891 0.00042 0.00001 0.00195 0.00001 0.00000 0.00003 380 9.7951 49.9755 0.00137 0.00004 0.00645 0.00016 0.00002 0.00071 390 12.0853 54.6482 0.00424 0.00012 0.02005 0.00236 0.00025 0.01048 400 14.7080 82.7549 0.01431 0.00040 0.06785 0.01911 0.00200 0.08601 410 17.6753 91.4860 0.04351 0.00121 0.20740 0.08474 0.00876 0.38937 420 20.9950 93.4318 0.13438 0.00400 0.64560 0.20449 0.02139 0.97254 430 24.6709 86.6823 0.28390 0.01160 1.38560 0.31468 0.03868 1.55348 440 28.7027 104.8650 0.34828 0.02300 1.74706 0.38373 0.06208 1.96728 450 33.0859 117.0080 0.33620 0.03800 1.77211 0.37070 0.08946 1.99480 460 37.8121 117.8120 0.29080 0.06000 1.66920 0.30227 0.12820 1.74537 470 42.8693 114.8610 0.19536 0.09098 1.28764 0.19562 0.18519 1.31756 480 48.2423 115.9230 0.09564 0.13902 0.81295 0.08051 0.25359 0.77213 490 53.9132 108.8110 0.03201 0.20802 0.46518 0.01617 0.33913 0.41525 500 59.8611 109.3540 0.00490 0.32300 0.27200 0.00382 0.46078 0.21850 510 66.0635 107.8020 0.00930 0.50300 0.15820 0.03747 0.60674 0.11204 520 72.4959 104.7900 0.06327 0.71000 0.07825 0.11775 0.76176 0.06071 530 79.1326 107.6890 0.16550 0.86200 0.04216 0.23649 0.87521 0.03045 540 85.9470 104.4050 0.29040 0.95400 0.02030 0.37677 0.96199 0.01368 550 92.9120 104.0460 0.43345 0.99495 0.00875 0.52983 0.99176 0.00399 560 100.0000 100.0000 0.59450 0.99500 0.00390 0.70522 0.99734 0.00000 570 107.1840 96.3342 0.76210 0.95200 0.00210 0.87866 0.95555 0.00000 580 114.4360 95.7880 0.91630 0.87000 0.00165 1.01416 0.86893 0.00000 590 121.7310 88.6856 1.02630 0.75700 0.00110 1.11852 0.77741 0.00000 600 129.0430 90.0062 1.06220 0.63100 0.00080 1.12399 0.65834 0.00000 610 136.3460 89.5991 1.00260 0.50300 0.00034 1.03048 0.52796 0.00000 620 143.6180 87.6987 0.85445 0.38100 0.00019 0.85630 0.39806 0.00000 630 150.8360 83.2886 0.64240 0.26500 0.00005 0.64747 0.28349 0.00000 640 157.9790 83.6992 0.44790 0.17500 0.00002 0.43157 0.17983 0.00000 650 165.0280 80.0268 0.28350 0.10700 0.00000 0.26833 0.10763 0.00000 660 171.9630 80.2146 0.16490 0.06100 0.00000 0.15257 0.06028 0.00000 670 178.7690 82.2778 0.08740 0.03200 0.00000 0.08126 0.03180 0.00000 680 185.4290 78.2842 0.04677 0.01700 0.00000 0.04085 0.01591 0.00000 690 191.9310 69.7213 0.02270 0.00821 0.00000 0.01994 0.00775 0.00000 700 198.2610 71.6091 0.01136 0.00410 0.00000 0.00958 0.00372 0.00000 710 204.4090 74.3490 0.00579 0.00209 0.00000 0.00455 0.00177 0.00000 720 210.3650 61.6040 0.00290 0.00105 0.00000 0.00218 0.00085 0.00000 730 216.1200 69.8856 0.00144 0.00052 0.00000 0.00105 0.00041 0.00000 740 221.6670 75.0870 0.00069 0.00025 0.00000 0.00051 0.00020 0.00000

 

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