a thin board with a hole in it for the thumb to go through, used by an artist for mixing colours on when painting 調色板 Topics Artc1- [usually singular] (specialist)
the colours used by a particular artist (畫家使用的)主要色彩,主色調
Word Originlate 18th cent.: from French, diminutive of pale ‘shovel’, from Latin pala ‘spade’.