colorfixer
nounUK /ˈkʌləˌfɪksə/
US /ˈkʌlərˌfɪksər/
A colorfixer is a person or thing that makes colors stay on something and not wash away.
The colorfixer helped keep the red paint bright on the old wooden sign.
OTHER MEANINGS
2. A chemical substance used to make dyes stay permanently in fabric.
The factory added a colorfixer to the cloth so the blue would not fade.
3. A person who repairs or restores the colors in old paintings or photographs.
The museum hired a colorfixer to bring the faded portrait back to life.
4. Software or a tool that corrects color problems in digital images.
She used a colorfixer app to make the photo's colors look natural again.