Let us take a look at these color schemes we already have installed BUT not applied. Atom is installed and the package pigments is activated. Explained in previous article.
We show what to copy/paste where to get a different color schemes.
First make a backup of your config file then copy/paste. Reload the i3 config with the keyboard shortcut.
Gpick is the application to find out the hexadecimal codes of colors or go online.
i3 is distro independent.
SupER + SHIFT + R