noun
achromatic color; neutral color
Technical term in color theory for colors without hue, such as white, black, and grays. Often contrasted with 有彩色 (chromatic colors).
See also: 有彩色
白、黒、灰色は無彩色に分類される。
White, black, and gray are classified as achromatic colors.
無彩色だけを使ったデザインはシンプルで洗練さ
A design using only neutral colors gives a simple and sophisticated impression.