Standard illuminants defined by the International Commission on Illumination (CIE).

- a :: Fractional a => Chromaticity a
- b :: Fractional a => Chromaticity a
- c :: Fractional a => Chromaticity a
- d50 :: Fractional a => Chromaticity a
- d55 :: Fractional a => Chromaticity a
- d65 :: Fractional a => Chromaticity a
- d75 :: Fractional a => Chromaticity a
- e :: Fractional a => Chromaticity a
- f1 :: Fractional a => Chromaticity a
- f2 :: Fractional a => Chromaticity a
- f3 :: Fractional a => Chromaticity a
- f4 :: Fractional a => Chromaticity a
- f5 :: Fractional a => Chromaticity a
- f6 :: Fractional a => Chromaticity a
- f7 :: Fractional a => Chromaticity a
- f8 :: Fractional a => Chromaticity a
- f9 :: Fractional a => Chromaticity a
- f10 :: Fractional a => Chromaticity a
- f11 :: Fractional a => Chromaticity a
- f12 :: Fractional a => Chromaticity a

# Documentation

a :: Fractional a => Chromaticity aSource

Incandescent / Tungsten

b :: Fractional a => Chromaticity aSource

{obsolete} Direct sunlight at noon

c :: Fractional a => Chromaticity aSource

{obsolete} Average / North sky Daylight

d50 :: Fractional a => Chromaticity aSource

Horizon Light. ICC profile PCS

d55 :: Fractional a => Chromaticity aSource

Mid-morning / Mid-afternoon Daylight

d65 :: Fractional a => Chromaticity aSource

Noon Daylight: Television, sRGB color space

d75 :: Fractional a => Chromaticity aSource

North sky Daylight

e :: Fractional a => Chromaticity aSource

Equal energy

f1 :: Fractional a => Chromaticity aSource

Daylight Fluorescent

f2 :: Fractional a => Chromaticity aSource

Cool White Fluorescent

f3 :: Fractional a => Chromaticity aSource

White Fluorescent

f4 :: Fractional a => Chromaticity aSource

Warm White Fluorescent

f5 :: Fractional a => Chromaticity aSource

Daylight Fluorescent

f6 :: Fractional a => Chromaticity aSource

Lite White Fluorescent

f7 :: Fractional a => Chromaticity aSource

D65 simulator, Daylight simulator

f8 :: Fractional a => Chromaticity aSource

D50 simulator, Sylvania F40 Design 50

f9 :: Fractional a => Chromaticity aSource

Cool White Deluxe Fluorescent

f10 :: Fractional a => Chromaticity aSource

Philips TL85, Ultralume 50

f11 :: Fractional a => Chromaticity aSource

Philips TL84, Ultralume 40

f12 :: Fractional a => Chromaticity aSource

Philips TL83, Ultralume 30