There are different colors on the market
Example from one manufacturer http://image.made-in-china.com/43f34j00bKoTYavBbcck/Colored-Epoxy-Fiberglass-Laminates-Fr4-G10.jpg
Example from a guy who is using bare boards as mounting structure http://youtu.be/jcdl6FpdhUA?t=1m37s
In attachment is the proposed color by Nick Østergaard.
There are different colors on the market
Example from one manufacturer image.made- in-china. com/43f34j00bKo TYavBbcck/ Colored- Epoxy-Fiberglas s-Laminates- Fr4-G10. jpg
http://
Example from a guy who is using bare boards as mounting structure youtu.be/ jcdl6FpdhUA? t=1m37s
http://
In attachment is the proposed color by Nick Østergaard.