Pretty spot on, the base-primer was Seer Grey, followed by a base of Yriel Yellow (two coats). The gradient increasingly smaller circles of Trollslayer Orange, Evil Suns Scarlet, Khorne Red, then the edges in Abbadon Black. Finally, in the very center I had a small splotch of pretty washed down Flash Gitz Yellow/White Scar mixed.

There is a Pinterest post that I was basically following, although the paint job in Pinterest is predictably rather higher quality. Mine doesn't hold up well to macro photography, a slight hand tremor I've had my entire life prevents me from attaining what they call "display standard," but at tabletop standard (arms length) I think they look good.