Hi Andrew,   Sorry for replying late. Here's what I do:   My document is in CMYK colour mode.     I create a document colour palette and I add a colour, in this case it's C:0 M:50 Y:100 K:0. Then I right-click and select Create Colour-Chord ->Tints     This is what I get:     All values showing as RGB in the swatches. Maybe it's just their naming, but it's somewhat alarming. :D   Oh, and "Create colour chord -> tints" creates multiple undo's. It takes hitting the c