- (of a person or animal) Unable to distinguish between two or more primary colors (usually red and green).
- (of a person or process) Holding no prejudice based on skin color or race; not paying attention to skin color.
- 2012, Michelle Alexander, The New Jim Crow, →ISBN, page 183:
- Because mass incarceration is officially colorblind, it seems inconceivable that the system could function much like a racial caste system.
unable to distinguish between two or more primary colors