Have found this online and it's been hugely helpful in making a final decision on our respray. Haven't seen it mentioned on here so thought I'd share. Also helps if thinking about changing wheels.
I’m a big fan of factory colours only, I’m of the opinion they hold their value better. Personal colours, are, well; personal to you only - can make selling difficult. Just my opinion.
2005 Porsche 911 3.6 Manual
2012 Volkswagen Polo 1.4 Automatic