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Gradient maps

For those unfamiliar with Photoshop’s gradient map adjustment layers, here’s how they work: Imagine a photo in greyscale. Being greyscale, it can only contain black pixels, white pixels, or pixels that are shades of grey. Now imagine that instead of being shades of grey from black to white, the lightest parts of the image are yellow, and the darkest parts are red, with a smooth blend of oranges in between. That’s a gradient map.

I used Photoshop everyday for seven years now and never bothered thinking about what “Gradient Maps” actually are. This article opened my eyes and there is a high possibility that I’m using them a lot in the future.

18. March 2013