noun: the appearance of objects (or light sources) described in terms of a person's perception of their hue and lightness (or brightness) and saturation
noun: a visual attribute of things that results from the light they emit or transmit or reflect
noun: the timbre of a musical sound
noun: interest and variety and intensity
noun: (physics) the characteristic of quarks that determines their role in the strong interaction; each flavor of quarks comes in three colors
noun: a race with skin pigmentation different from the white race (especially Blacks)
noun: an outward or token appearance or form that is deliberately misleading