Wuli Kase

Quick answer：

Wuli Kase is a Chinese idiom that combines the words 'wuli' (our, belonging to us) and 'kase' (color). It is often used in a playful or affectionate manner to refer to a color that is unique to a group or a specific place, often described as a shade of brown or grey with a hint of red, reminiscent of the misty colors seen in traditional Chinese landscapes.