changing a range of colors on a layer

A
Posted By
Allen
Sep 24, 2004
Views
295
Replies
3
Status
Closed
Hi all… any help appreciated.

I have a layer that is painted with brush strokes where the colors span a range from dark yellow to white.

I’d like to be able to alter this layer every now and then to achieve different colors schemes that all move to white… dark red to white, brown to white, etc. I can’t start a new layer from scratch because the brush stroke positionings needs to be duplicated exactly in each color scheme. I can’t use gradient because the different colored brush strokes are all randomly mixed together.

Essentially, I’m painting in one range, copying the layer, then trying to adjust the color values on the copy from only one end of the range.

I’ve played with hue/saturation and variations and these would be fine except that I’m need to go directly to a specific RGB value, not eyeball the results in hopes of getting something close.

I hope I’ve explained this well enough. Any suggestions?

Thanks!
Allen
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change color layer

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Mike Russell
Sep 24, 2004
Allen wrote:
Hi all… any help appreciated.

I have a layer that is painted with brush strokes where the colors span a range from dark yellow to white.

I’d like to be able to alter this layer every now and then to achieve different colors schemes that all move to white… dark red to white, brown to white, etc. I can’t start a new layer from scratch because the brush stroke positionings needs to be duplicated exactly in each color scheme. I can’t use gradient because the different colored brush strokes are all randomly mixed together.

Essentially, I’m painting in one range, copying the layer, then trying to adjust the color values on the copy from only one end of the range.
I’ve played with hue/saturation and variations and these would be fine except that I’m need to go directly to a specific RGB value, not eyeball the results in hopes of getting something close.
I hope I’ve explained this well enough. Any suggestions?

Allen,

The simplest way is probably to put an eyedropper on the start of the brush stroke, then play with HSB until you see the desired RGB value.

In case that doesn’t do it, here’s another way:

1) Create a custom gradient that goes from your RGB value to white.
2) Dupe the layer, then apply a gradient map with the layer set to color
mode.
3) Add an adjustment layer, levels or curves, grouped to the color layer to fine tune the location of the colors.
4) You may need to use a layer mask to restrict the color changes only to the brush stroke.
—

Mike Russell
www.curvemeister.com
www.geigy.2y.net
A
Allen
Sep 24, 2004
On Fri, 24 Sep 2004 05:03:48 GMT, "Mike Russell" wrote:

Allen wrote:
Hi all… any help appreciated.

I have a layer that is painted with brush strokes where the colors span a range from dark yellow to white.

I’d like to be able to alter this layer every now and then to achieve different colors schemes that all move to white… dark red to white, brown to white, etc. I can’t start a new layer from scratch because the brush stroke positionings needs to be duplicated exactly in each color scheme. I can’t use gradient because the different colored brush strokes are all randomly mixed together.

Essentially, I’m painting in one range, copying the layer, then trying to adjust the color values on the copy from only one end of the range.
I’ve played with hue/saturation and variations and these would be fine except that I’m need to go directly to a specific RGB value, not eyeball the results in hopes of getting something close.
I hope I’ve explained this well enough. Any suggestions?

Allen,

The simplest way is probably to put an eyedropper on the start of the brush stroke, then play with HSB until you see the desired RGB value.
In case that doesn’t do it, here’s another way:

1) Create a custom gradient that goes from your RGB value to white.
2) Dupe the layer, then apply a gradient map with the layer set to color
mode.
3) Add an adjustment layer, levels or curves, grouped to the color layer to fine tune the location of the colors.
4) You may need to use a layer mask to restrict the color changes only to the brush stroke.

Thanks, Mike. I actually JUST figured out how to do what I want with the Gradient Map function.

All I need to do is create any of the color combos as a custom gradient and then apply them to the layer using Gradient Map. It replaces the range of color values on your layer with the chosen gradient’s range.

Really cool. EXACTLY what I was looking for.

🙂
G
Gadgets
Sep 24, 2004
Could also put a new layer over the top, on Color blend mode, filled with your chosen colour. Maybe need layer sets to isolate it…

Cheers, Jason (remove … to reply)
Video & Gaming: http://gadgetaus.com

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