white_ref_spec.md

In jmw86069/colorjam: Jam Color manipulation functions

Consider evaluating white reference "standard illuminants:

Illuminant A: Represents an incandescent tungsten filament lamp, with a color temperature of 2856 K. Illuminant B: Represents direct sunlight. (deprecated) Illuminant C: Represents average daylight. (deprecated)

Illuminant D Series: D50: daylight with a correlated color temperature ~5000 K, often used for color reproduction and visual evaluation.

D55: daylight with a correlated color temperature ~5500 K.

D65: noon daylight with a correlated color temperature ~6500 K, the most commonly used daylight illuminant.

D75: overcast daylight with a correlated color temperature ~7500 K.

Illuminant E: Represents an equal-energy radiator, with a constant spectral power distribution within the visible spectrum.

Illuminant F Series: (Fluorescent) F1: Daylight fluorescent. F2: Represents a cool white fluorescent lamp. F4: A warm white simulator. F5: Daylight fluorescent. F7: Represents daylight, D65 simulator F11: A narrow tri-band fluorescent lamp.

jmw86069/colorjam documentation built on June 10, 2025, 12:02 p.m.