YOU SAID:

I'll stop wearing black when they make a darker colour

INTO JAPANESE

暗い色にすると黒くなるのをやめる

BACK INTO ENGLISH

Stop turning black when it is dark color

INTO JAPANESE

暗い色のときに黒くなるのを止める

BACK INTO ENGLISH

Stop darkening in dark colors

INTO JAPANESE

暗い色で暗くなるのを止める

BACK INTO ENGLISH

Stop darkening with dark colors

INTO JAPANESE

暗い色で暗くなるのを止める

BACK INTO ENGLISH

Stop darkening with dark colors