tv_RangeSet position red green blue alpha
Creates a color cell at the position specified in the edit area for the current range. The position argument indicates the position of the current cell and is between 0 and 15. The red, green, blue and alpha arguments are the values of the components of the color contained in this new cell. This command returns a value that indicates the position in float, it also returns the values of the red, green, blue and alpha components of the color contained before the new color.