What are the color codes of ls function?

For an exercise I'm trying to code the ls function.

I'm copying the -G option. This option will color the name of the file depending of the type.

Until now, I understood that:

• Symbolic links are in magenta
• Directory is in cyan

Does any one know which are the other colors used and for what kind of file? I'm also looking for the background color.

I showed a script in How to remove dir background in ls -color output which colorizes the output of dircolors -p (and would be useful in this question, since it preserves the comments which explain what's being colored).