MxHeppa Posted October 30, 2020 Share Posted October 30, 2020 Affinity Photo/Designer how convert photo black and white ? way where grayscale values uses only K from CMYK. based what one priting service they talk colour profiles but based what they tell their page i think i use color profile even black and white products. but using only K ink. I use Windows. Quote Link to comment Share on other sites More sharing options...
Staff Callum Posted November 2, 2020 Staff Share Posted November 2, 2020 Hi MxHeppa, If you go to Document > Convert format you can convert your image to grey scale but its impossible to have a greyscale CMYK document I'm afraid. You could also try the Black and White adjustment. Thanks C Quote Please tag me using @ in your reply so I can be sure to respond ASAP. Link to comment Share on other sites More sharing options...
thatGuy Posted November 2, 2020 Share Posted November 2, 2020 You could either - (if the precise K values matter for some reason) use the channels panel to create a mask, the result will most likely be rather bright but you can work around this by duplicating ... or apply a gradient mask from 0/0/0/100 to 0/0/0/0 without additional stops 2020-11-02_13-22-29.mp4 Great Big Bite 1 Quote Link to comment Share on other sites More sharing options...
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