doghud/materials/vgui/replay/thumbnails/panels/material_red_transparent50.vmt

"UnlitGeneric"
{
	"$baseTexture"				"vgui/replay/thumbnails/panels/material_generic"
	"$vertexalpha"				"1"
	"$alpha"					"0.5"
	"$translucent"				"1"
	"$vertexcolor"				"1"
	"$color"					"{255 61 61}"
}