Knowledge Topic
Illuminants
Technical library
Focused guides that help you make the next color-measurement decision with clarity.
Technical guides
Illuminants
D65 vs Other Illuminants for Textiles
Understand when textiles are evaluated under D65, A, D50, F11/TL84 and other sources, and why calculation illuminants, viewing lamps and UV conditions must be distinguished.
Technical guide · Read the guide →Illuminants
Optical Brighteners and UV in Paper Measurement
Understand how optical brightening agents and instrument UV content change paper and print measurements, and how M1, M2, ISO and D65 conditions should be controlled.
Technical guide · Read the guide →Color Spaces
D50 vs D65 for Print Color
Understand the different roles of D50 and D65 in print, packaging and paper workflows, and why calculation illuminant, physical viewing light and instrument UV condition must not be…
Technical guide · Read the guide →Illuminants
What Is a Standard Illuminant? D65, D50, A and TL84 Explained
A standard illuminant is the defined spectral power distribution used with an observer to calculate and communicate color values.
Quick technical guide · Read the guide →