color–blind

color–blind (US) adjective
or British colour–blind /ˈkʌlɚˌblaɪnd/
color–blind (US)
adjective
or British colour–blind /ˈkʌlɚˌblaɪnd/
Britannica Dictionary definition of COLOR–BLIND
1 
: unable to see the difference between certain colors
2 
: treating people of different skin colors equally : not affected by racial prejudice

— color blindness

(US) or British colour blindness noun [noncount]