I'm after paints. Will check my OCD if you still need some combos. To start with, check how many paints tagged as 'rare' do you have. List is in OP after some paragraphs, starting with the 'Rare chips (2 races)' line:
https://www.gtplanet.net/forum/showthread.php?t=208087
I can submit you via PM a longer list, but need to go back to home first.
I have these on my sharky969 account:
Sparkeling Graphit Metallic Metallic BMW
Butternut Yellow - Chevy
Moss Green Metallic Metallic Dodge
Mars Red - Ginetta
Elm Green Metallic Hyundai
Indigo Blue Pearl Jaguar
Rubinrot Mercedes-Benz
Caspian Blue Metallic Mercury
Himalayan Blue Solid Mitsubishi
Liquid Silver Metallic Mitsubishi
Petrolblau Metallic Metallic Opel
Moon Stone Metallic Peugeot
Alpine White Solid Plymouth
Slate Gray Metallic Metallic Plymouth
True Blue Metallic Metallic Plymouth
White Pearl Mica Pearl Scion
Negro magico Solid Seat
Naples Yellow Solid Suzuki
Munich Silver Pearl Pearl Suzuki
Light Khaki Graphite Mica Metallic Metallic Toyota
Carmine Solid Triumph
Red Solid Volvo
and these on my Sharky968 account:
Sparkeling Graphit Metallic Metallic BMW
Moss Green Metallic Metallic Dodge
Dark Gray Metallic - Dodge
Red Fire Clearcoat Metallic - Ford
Mars Red - Ginetta
Elm Green Metallic Hyundai
Indigo Blue Pearl Jaguar
Rubinrot Metallic Mercedes-Benz
Polar White Solid Mercury
Caspian Blue Metallic Mercury
Himalayan Blue Solid Mitsubishi
Kenya Orange Solid Mitsubishi
Chagalleblau Solid Opel
LeMans-Grün Solid Opel
Moon Stone Metallic Peugeot
Vitamin C Solid Plymouth
Slate Gray Metallic Metallic Plymouth
True Blue Metallic Metallic Plymouth
White Pearl Mica Pearl Scion
Carmine Solid Triumph
Java Solid Triumph
Switch Pearl Vauxhall
Red Solid Volvo