All colors are defined as css varaiables
background-color: --nt-{{color}}
color: --nt-text-on-{{color}}
background-color: --nt-black
color: --nt-text-on-black
background-color: --nt-white
color: --nt-text-on-white
background-color: --nt-dark
color: --nt-text-on-dark