This is what a raw scan usually looks like. That was the old way! This is the new way, and it is better! I used to remove the blue pencil from the image in Photoshop by selecting the “blue” channel of the RGB scan and turning that into the line art. Then I go over top and make it look NICER using a dark pencil. When I draw a thing, I often first draw it rough using Col-Erase™ blue pencil. Tutorial photoshop rgb cmyk colour gamut painting digital painting technique manga studio clip studio procreate Oh well, you make adjustments and move on with your life. It may be hard to see, but the deep colours of the water turned bland and desaturated after being converted to CMYK. Here’s an example of an image I painted that didn’t play well with CMYK: But that’s okay – colour is relative,* so working within the CMYK colour gamut is no great pain. Remember that those hot pinks, rich teals, and deep purples will not survive the conversion to CMYK. Welcome to “Colour Gamuts.”Īll you can do is keep this information in your mind. Now, CMYK can’t do everything, because the four-colour ink process (Cyan, Magenta, Yellow, blacK) just can not replicate the complete range of colours that the RGB (Red, Green, Blue) colour mode can produce. Photoshop “bakes” all our layer effects into one layer of definitive pixels, which can then be safely converted to CMYK without losing all the sweet juiciness of our original effects. To send our painting to the printer AND preserve the original look of our Blend Mode and Adjustment Layer effects, just flatten the image before you convert the colour mode… Photo Filter adjustment layers operate differently, too…Ĭompare left and right.
… you can see the “More Screen” layer is essentially identical, even though PS renders the Blend Mode effect differently. Again, notice how Photoshop handles that “Screen” blend mode in the RGB document versus the CMYK document. Note the differences between the ways Photoshop accomplishes the Blend Mode rendering in each colour mode. … now we have the original layered document in CMYK mode. (First this happens: Photoshop doesn’t support my “Levels” adjustment layer in CMYK mode, so it’s going to throw it out during the conversion process.) Let’s take this same layered file, and just change it into CMYK mode. This is the same document with the same layers, only the “Screen” layer ON and OFF. Let’s look at an image in which I’ve used a layer (handily named ”Screen”) with its blend mode set to “Screen” in order to simulate the light bloom from a big ol’ bonfire. I do all my Photoshop painting in RGB mode, then flatten those files and convert them to CMYK when it’s time to send them to my publisher to go to the printing press.
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