[DirectX 7 Programmer's Reference] Per-vertex Color States (16.1925841514726%)
Microsoft DirectX 7.0 > Direct3D > Direct3D Immediate Mode > Direct3D Immediate Mode Essentials > Direct3D Devices > Device States > Render States
[DirectX October 2006 Documentation] Per-Vertex Color State (13.773229312763%)
DirectX Graphics > Direct3D 9 > Programming Guide > Getting Started > Direct3D Devices > States > Render States