achromatic colour

achromatic colour

n (General Physics) physics colour, such as white, black, and grey, that is devoid of hue. See colour²

Thesaurus

Noun

1.

achromatic colour - a color lacking hue; white or grey or blackachromatic colorcolor, coloring, colouring, colour - a visual attribute of things that results from the light they emit or transmit or reflect; "a white color is made up of many different wavelengths of light"black, blackness, inkiness - the quality or state of the achromatic color of least lightness (bearing the least resemblance to white)whiteness, white - the quality or state of the achromatic color of greatest lightness (bearing the least resemblance to black)gray, grayness, greyness, grey - a neutral achromatic color midway between white and black