spectral hue

• 主色调,谱色调

spectral hue的用法和样例：

例句

1. The cool hue in the picture is distinct from the other ones.
   这幅画的冷色调与其他画截然不同。
2. The product has high purity, standard hue and stable color.
   产品纯度高，色调正，色泽稳定。