Source : Webster's Revised Unabridged Dictionary (1913)

Color-blind \Col"or-blind\, a.
   Affected with color blindness. See {Color blindness}, under
   {Color}, n.

Source : WordNet®

color-blind
     adj 1: unable to distinguish one or more chromatic colors [syn: {colour-blind}]
     2: unprejudiced about race [syn: {colour-blind}, {nonracist}]