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Coming from the world of traditional film b/w photography, I know that a common practice to alter tonality of a scene is to use colored filters. It struck me that the RGB model is ideal for just that same thing, so I played around and came up with a technique to emulate this.
Take your colorful scene you want to blackandwhite-ify and turn the individual channels into individual layers. I just split the channels then shift-dragged the three into a new image, but it's been pointed out to me that it's much easier to simply copy and paste them into the original image.
Add a layer mask to each of the 3 layers. Pick a subject and see which of the three layers has the tonality you prefer and mask that area out of the other two layers. I simply turned them off and on using the little eye icon next to each layer. It sounds like more work than it is, since you can copy areas from one mask to another.
Btw, does anyone know how to temporarily turn off a layer mask in PS?
Attached is an illustration of the results. Thanks to Lisa Peters for the original (a great shot).
Take your colorful scene you want to blackandwhite-ify and turn the individual channels into individual layers. I just split the channels then shift-dragged the three into a new image, but it's been pointed out to me that it's much easier to simply copy and paste them into the original image.
Add a layer mask to each of the 3 layers. Pick a subject and see which of the three layers has the tonality you prefer and mask that area out of the other two layers. I simply turned them off and on using the little eye icon next to each layer. It sounds like more work than it is, since you can copy areas from one mask to another.
Btw, does anyone know how to temporarily turn off a layer mask in PS?
Attached is an illustration of the results. Thanks to Lisa Peters for the original (a great shot).
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