harlequin

noun

jester, joker, merry andrew, droll;

rare zany.

adjective

a harlequin pattern:

varicoloured, variegated, colourful, particoloured, multicoloured, multicolour, many-coloured, many-hued, rainbow, jazzy, kaleidoscopic, psychedelic, polychromatic, chequered;

informal (looking) like an explosion in a paint factory;

rare motley.

▷antonyms plain.

harlequin Oxford Dictionary of English