Light Sources 6500K CIE Pub 51 "BC" AA is the best,
D65 daylight or D75 EE the worst
daylight (D65 daylight is the
normal industry preference)
Incandescent Illuminant A 2856K
Fluorescent illumination, 4100K CIE Illuminant F2
(cool white fluorescent)
Additional sources as D50 for graphic arts,
necessary. F11 for retail, etc.
Illumination Intensity 112 footcandles* +/- 10% (100 - Within 20 % over
(1220 Lux) 125 ftcndl) (1080 the viewing area.
For critical to 1340 lux)
Background / surround Munsell N6 or N7 0.2 Max Chroma Munsell N5
(N7 most common) Gloss >15 on preferred in Europe
60 deg. scale
* As low as 50 fc (540 Lux) for light samples, 200 fc for dark samples.