Saving individual channels in an RGB image

TM
Posted By
Thomas_M_Price
Feb 1, 2007
Views
468
Replies
4
Status
Closed
Using Photoshop Windows ver 7.0.1. I have RGB tiff images with one layer and the channels of RGB, Red, Green, Blue. I need to make a new image with only the green image from the RGB composite and another with only the red. What ever I try either gives me the entire RGB or gives me the channel without color. I appreciate any help. <br>
T Price <br>
Related Tags
channel image rgb save

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J
JasonSmith
Feb 1, 2007
the channels themselves are greyscale channels, it’s the interaction between the channels that determine R,G, or B. <br><br>Try this, on whatever layer – pull up the layer styles. where there’s the RGB checkmarks, uncheck all but the color that you want.
L
LenHewitt
Feb 2, 2007
Thomas,

Open your image, go to the channels palette and select Split Channels. That will create 3 separate greyscale files, one for each channel.
AP
Andrew_Pietrzyk
Feb 2, 2007
I need to make a new image with only the green image from the RGB composite and another with only the red

Edit >Preferences >Display & Cursors >Display >Color Channels in Color…

… Select Green Channel and hit Print Screen on your keyboard… followed by Ctrl+N > Ctrl+V > Crop Tool. Repeat these steps with Red Channel selected.
J
JasonSmith
Feb 2, 2007
Either way – in order for your newly created files to be Red, Green OR Blue, you still need the other 2 (empty) channels – otherwise you’d just have a greyscale image.

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