Sometimes a boring background can ruin an image. An easy way to remedy this is by desaturating everything except your main subject. It's great for an artistic look too! This tutorial shows you how to go about it.
Some people asked about an approach of getting color elements in black and white images. So in this article several approaches to do this will be described and show the benefits and drawbacks of those.
This tutorial is to help you learn how to create any kind of tone for your photo that you want. This tutorial will involve desaturation and color balance.
This will teach you how to desaturate an image the correct way, with the possibility to change the way the image turns out in black and white. This gives you the control you will never get with the more common technique, Ctrl U.
Often the channel mixer is used to modify black and white photos. However, this tutorials shows you how to change the color of a colored photo using the channel mixer.