My problem with this is it's extremely arbitary. Why are those the specific colour codes you chose for each type? It makes thematic sense so I can't fault you on any specific choice, but you could argue any shade of red/orange/yellow for Fire, for example. The end result is subjective too; Azumarill's hex seems closer to Psychic than Fairy, to me. While I agree with Kaen about it being too complex - it'd take too much time trying to Google hex codes while building - the subjectivity is a bigger hurdle to me.uh, they can see the rules on smogon for further explanations anytime, but by default I would :
1) show the types on screen
2) add a clause like : "Ignored types are displayed"
To give an example, a commonly denied suggestion is introducing a tier that brings back the physical/special typing divide from Gen 3 and earlier - because there's no objective way of deciding if Fairy would be Physical or Special, and having it be exempt is just kinda weird. OMs need to have a description that offers objectivity, but this relies on you assigning your personal choice of colour and playing a subjective game of "what colour is closest?" to calculate.