Convert rainbow-delimiters-depth-faces to use variables instead of hex literals
Convert rainbow-delimiters-depth-faces to use variables instead of hex literals

ninrod/gruvbox-theme,zzgraph/emacs-theme-gruvbox,zzgraph/emacs-theme-gruvbox,greduan/emacs-theme-gruvbox,greduan/emacs-theme-gruvbox,greduan/emacs-theme-gruvbox,ninrod/gruvbox-theme,zzgraph/emacs-theme-gruvbox