rainbow

U+1F308

artist palette

U+1F3A8

large red square

U+1F7E5

large blue square

U+1F7E6

large orange square

U+1F7E7

large yellow square

U+1F7E8

large green square

U+1F7E9

large purple square

U+1F7EA

large brown square

U+1F7EB