Install elpa-rainbow-identifiers by entering the following commands in the terminal:
sudo apt update sudo apt install elpa-rainbow-identifiers
Description:
highlight identifiers according to their names
Minor mode providing highlighting of identifiers based on their names. Each identifier gets a color based on a hash of its name. . Default colors try to be reasonable, but they can be changed by changing the corresponding faces.
Homepage: https://github.com/Fanael/rainbow-identifiers
Version: 0.2.2-2
Section: universe/lisp