color_to_ansi256 Function

public pure function color_to_ansi256(r, g, b) result(idx)

Map an RGB triple to a 6x6x6 color-cube index (16..231).

Arguments

Type	Intent	Optional	Attributes		Name
real(kind=wp),	intent(in)			::	r
real(kind=wp),	intent(in)			::	g
real(kind=wp),	intent(in)			::	b

Return Value integer