color-blind

My color-blind uncle sometimes confuses red apples with green ones. ▶

我叔叔有色盲，有时分不清红苹果和青苹果。

Designers should use distinct shapes alongside colours to make public information accessible to color-blind users.

设计师应在使用颜色的同时采用不同形状，让色盲用户也能获取公共信息。