
These are the 8 colours that matter most. Colours like Orange, Brown, Pink etc should be treated as type of these colours.
Red, Blue, Green, Cyan, Magenta, Yellow, White and Black.
Orange/Brown should be grouped under either Yellow or Red.
Purple/Violet should be grouped under either Blue or Magenta.
Pinks should be grouped under Magenta or Red.
Most "Blues" should be split between Cyan and Blue.
Magenta's shouldn't be treated like a type of Pink and Cyan shouldn't be considered a type of blue imo.