:root{
  /* base */
  --base-hex:#673de6;
  --base-h:255;
  --base-s:77%;
  --base-l:57%;

  /* secondary (falls back to base when not provided) */
  --second-hex:#673de6;
  --second-h:255;
  --second-s:77%;
  --second-l:57%;
}