re-colorizing in GIMP - steps to go

[saint_m]

good day dear experts

the current job  -  re-colorizing in GIMP - which steps to go


i want to re-colorize the dots in the image. How to do this?

I have heard that we can do this with layers  - but at the moment i do not have any clue


   


i really look forward to  any and all ideas

greetings