: How best to adjust the colour of different parts of an (all raster) image that are on the same layer? I am attempting to experiment with different colours for the grey, orange and pink areas

@Sent7350415

I would recommend JohnB's approach as the best approach, but an interesting alternative is to use the color range to mask the buttons, accessed through Select → Color Range...

Because these are really distinct bright colors color range does a good job of selecting the specific colors you want. You would have to set the tolerance somewhat low and Shift+Select different colors in the image. This creates a selection of your buttons. You could then create a copy of the layer and use the selection as mask. I would feather the mask slightly in the Properties window as well.



You could then use the Channel Mixer and your masked layer as a clipping mask for the adjustment



As you can see some of the value is being lost in the midtones, but it is still pretty neat if you ask me.

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@Ravi4787994

You could use an Adjustment Layer to adjust the hue and saturation non-destructively:




To confine the effects of an adjustment layer to specific image layers, select the image layers, choose Layer > New > Group From Layers, and change the Mode from Pass Through to any other blending mode. Then place the adjustment layer at the top of the layer group.


Help Docs: Photoshop /
Adjustment and fill layers

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