achromatic colour(n = noun.attribute) achromatic color - a color lacking hue; white or grey or black;
is a kind of color, coloring, colour, colouring
has particulars: black, blackness, inkiness, white, whiteness, gray, grayness, grey, greyness

achromatic, achromatic color, achromatic lens, achromatic vision, chromatic colour, colour, colour bar, colour blindness, colour constancy, colour in, colour line, colour of law, colour scheme, colour supplement, colour television, colour television system, colour television tube, colour tube, colour tv, colour tv tube, colour vision deficiency, colour wash, dithered colour, food colour, nonsolid colour, oil colour, people of colour, person of colour, poster colour, red-green colour blindness, skin colour, spectral colour