Photoshop: Maths for colors / Base Color

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This is probably getting a bit advanced - but hey, photoshop is a pro tool! ;-)
It would be wonderful to set a base color and have other layers/effects use a variation of that base color.
For example, if my base color is blue, and I use it to create a button, I could set the stroke to be a darker version of the base color. If I then change the blue button to green, the stroke automatically changes to dark green.

That is a very simply example - the possibilities would be endless and extremely useful for creation of themes, websites, UI, etc.
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Edward

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Posted 7 years ago

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Brett N, Official Rep

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This kind of workflow can be accomplished using layer blend modes. In your example, if you have your base layer as blue, then you stroke the button as some dark level of gray and set its layer blend mode to Darken, that gray will show up as dark blue. If you then change the base layer to green, that gray will show up as dark green.
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Edward

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aha, that SHOULD work and it would be wonderful if it did. but Strokes on shapes cut through the shape when you apply any blend modes to it.

This is what your suggestion looks like: http://edw.me/3R2z2k0M373b0O1N3U3M