All their colors are nice, just kinda depends on the stock.
Black stock...black metal is timeless. or go with some matte silver like titanium. etc etc etc.
Myself. Since it's getting coated anyway...I prefer more natural colors. They don't stick out quite as much.
These are two similar colors in a two tone, and the stock was dipped.
With Cerakote on the metal work...the possibilities are endless.
The barrel and action are Smiths Brown. The suppressor, bolt, rail and bottom metal are Federal Standard Field Drab.