Have you ever wished you could stretch out the color palette of your picture? Or that you could separate colors that looked too flat or close together? Well, with Photoshop, you can – by converting your picture to something called LAB colorspace and adjusting the color there. That might sound complicated, but it is actually pretty simple. If you have ever made a levels or curves adjustment, you already know everything you need to know to accomplish this. In this article, you will learn two things. First, you will learn the five simple steps to achieve color separation using the LAB color move. You can follow these steps without even understanding how any of this works and it will work just fine for you. Second, after walking you through the steps, you will see how this move works. That way, if you want to apply this move to your photos in a more nuanced fashion later it will help you to do so……

Source: digital-photography-school.com

Digital-Photography-School Jim Hamel LAB Color photoshop