It is a flip flop powder. https://www.powderbuythepound.com/Tropic-Black/

How they do it, they don't say but most likely it is metallics. They do say the colors would vary depending on how the powder was put on.


I had many of my small parts, carrier, all 4 hubs, linkage, and some other small things powdered gloss black with some green flakes. Those parts would be black but under sun light you could see the hint of green in them and some times the green would "sparkle".

There are many things you can do with powder to set your quad off. There are many flip flops, florescents, textures, etc.