(psychophysical) colour

a horse of another colour

abnormal colour sense

Absolute Colour Matching

absorption colour

accidental colour

acetate colour

achromatic (perceived) colour

achromatic colour

acid colour

acrylic colour

Adams-Nickerson colour difference

adaptive (perceived) colour shift

adaptive colour

addition colour

additive colour

additive colour filter

additive colour high-speed step optical printer

additive colour printer

additive mixture of colour stimuli