Longman Dictionary of Contemporary English
colour-blind
adjective
EXAMPLES FROM CORPUS
▪ It's a bit like being colour-blind, only it's not colours I get mixed up, it's objects.
▪ Those who operate the rules are not racist, for they merely follow procedures in a colour-blind way.
Wiktionary
colour-blind
a. (alternative form of colour blind English)
WordNet
colour-blind
adj. unable to distinguish one or more chromatic colors [syn: color-blind]
unprejudiced about race [syn: color-blind, nonracist]
Usage examples of "colour-blind".
I cannot be sure that I understood properly, but I left with the impression that Andrias Scheuchzeri might be largely colour-blind, but that Professor Dubosque must be terribly short sighted going by the way he lifted his papers up to his thick, glasses that sparkled wildly in the light.
Since he was colour-blind, instead of memorizing the colour codes he had learned the key positions by heart.