Action: Cross ColorCast>new
		Play action “rgb>Lab (flat New w)” of set “CB3Actions-General”
		Duplicate current layer
		Set current layer
			To: layer
			Name:  “Mask Colour Cast”
		Set current layer
			To: layer
			Mode: color
		Make
			New: channel
			At: mask channel
			Using: reveal all
		Invert
		Select Lab channel
		Invert
		Select mask channel