colour fastness

Noun

UK uncountable

(British spelling) the quality of being colourfast

Japanese Meaning

色あせにくい性質 / 耐色性

Before ordering uniforms, the company tested the colour fastness of the fabric under repeated washing.

制服を注文する前に、会社は繰り返し洗濯して生地の色落ちしにくさを試験しました。

Sense（1）

(British spelling) the quality of being colourfast