Photoshop has what it calls "Blending Modes." In the Layers palette, these options show up in the drop-down that is usually set to "Normal." You can also set the blending mode (and access more options) by going to the Layer Style dialog box.

This tutorial will teach you a method to change the color of specific items within a photograph.

In this tutorial you are going to learn how to colorize a black and white photo. This is not only helpful for older photos, but it is also useful for using different colors than normal (example: making a plant purple instead of green). Step 1: For this tutorial..

This tutorial with guide you through how to edit a photograph, to make the colours more vibrant.

If you're going to be a professional in any of the creative/artistic fields, you have to understand color. We've been dealing a bit with Color Theory on our site, but now we're going to dive into something equally important - Color Psychology.

Learn how to digitally "dye" your hair, same outcome as real coloring, without the use of disgusting chemicals.

Editor's Pick in Color Theory, December 2006
This interesting article on Web Design is about Color Management. The author discusses color theory, then applies it to graphics and monitor displays in a very helpful tutorial with lots of screenshots.

Make a Ceratin area of a image stand out more than the pther by making one section colored as the rest is black and white.. Open Your image you w

This more advanced method can make astounding results. You should try "Colorize - Quick Method" if you get stuck in this. Enjoy this video tutorial.

Here are two images that I'm going to blend together. I purposefully made them two different colors, and also made sure that the light/dark values were different as well: