I'm gonna pair everyone with Pink and Aqua and give my opinion:
White/Pink - no thanks
Black/Pink - not a fan
Red/Pink - i see them more as brother and sister
Blue/Pink - seems like a crack pairing
Green/Pink - their personalities don't match
Gold/Pink - finally a pairing i like!
Racer/Pink - no just no
Louie/Pink - they barely even interact!
Pommy/Pink - same
White/Aqua - YAY!
Black/Aqua - sorry but no!
Red/Aqua - .......no
Blue/Aqua - i kinda like it
Green/Aqua - can't see it
Gold/Aqua - Gold liking anyone other than Pink seems weird to me
Racer/Aqua - I can't see racer with anyone.
Louie/Aqua - they may have similar colours but no
Pommy/Aqua - they've never met in canon
and finally....
Pink/Aqua - NO!!!!!!!!!!!!