Indigo: the only cool color

A Moroccan space with deep indigo blue. The blue is a very deep cobalt blue or indigo, high in saturation but very low in brightness; it appears only in small areas: a section of glazed tile geometry, the painted surface of a door and window frame, a ceramic pot. On the ochre-red warm base, it is the only cool color, creating a strong contrast but not jarring due to its small area. There is only this one blue in the entire space. Avoid: using large areas of blue walls, letting the blue become bright sky blue or turquoise, using multiple shades of blue simultaneously, letting the blue area exceed fifteen percent.

Translated from Chinese by AI.

一個加入深靛藍的摩洛哥空間。藍是很深的鈷藍或靛藍,彩度高但明度很低;它只出現在小面積上:一段釉磚的幾何、一扇門與窗框的漆面、一個陶罐。在赭紅的暖底上它是唯一的冷色,對比強烈但因為面積小所以不刺眼。整個空間只有這一個藍。避免:使用大面積的藍色牆面、讓藍變成明亮的天藍與土耳其藍、同時使用多種深淺不同的藍、讓藍的面積超過一成半。