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Hi

I'm moving over to Affinity  from Photoshop. One feature of PS [in ACR] is the ability to adjust saturation & luminence separately for each individual colour  [red /orange / yellow/ purple etc]. This seems to be missing from Develop persona in Affinity. The only way of approaching it seems to be with Curves [ only for RGB & therefore well near impossible for other tones] or by altering white balance [which is a bit of a blunt instrument]. You can do it to a certain extent with selective colour & HSL in Photo persona, but even here you are only adjusting colour bias, not luminence, & in any case  working on the Raw file creates better results.  Have I misssed something, please?

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I have always understood luminance to be the overall brightness of a pixel (effectively the average of the three pixel values). The Saturation of a pixel is a measure of how much its colour stands out from an average greyness. That being so, how would this apply to an individual colour or hue?

Joh


Windows 10, Affinity Photo 1.8,5 Designer 1.8.5 and Publisher 1.8.5 (mainly Photo), now ex-Adobe CC

CPU: AMD A6-3670. RAM: 16 GB DDR3 @ 666MHz, Graphics: 2047MB NVIDIA GeForce GT 630

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