Currently allowed values of properties/colorspace are: cmyk, rgb. Other possible values are: "B&W" (K only in CMYK) and "spot" which consists of K and one other process colour for 2 plate printing. I don't expect "spot" to be used much at all, but "B&W" could be pretty common.
Currently allowed values of properties/colorspace are: cmyk, rgb. Other possible values are: "B&W" (K only in CMYK) and "spot" which consists of K and one other process colour for 2 plate printing. I don't expect "spot" to be used much at all, but "B&W" could be pretty common.