A simple way to create a color scheme (palette)

Good afternoon, friends, I want to tell you one secret that helps me quickly and correctly find the color scheme for the site. I strictly do not judge, maybe some of you know this technique, but my friend did not know, and when I told him how easy it is to find colors for a site’s color scheme — it was struck by the simplicity of the solution. I do not claim to be unique, or the discovery of a new method, I just know it, and it helps me.
In order for us to create a color scheme. We need such a good program as Adobe Photoshop, and almost any version will do. Special knowledge of working with Photoshop for this TS The trick is not NATO, everything is done literally in a couple of clicks.
The whole process:
1) Suppose we make a site about tours to Egypt. Egypt is a desert, therefore we are looking for a photo of the desert in all of our beloved Google.
2) Open the found photo in Photoshop, in the menu look for Filters-> Pixelate -> Mosaic . In the Mosaic effect control window that appears, move the slider so that there is a minimum of colors in the figure, but bright, saturated colors remain. Here, in fact, the color scheme is ready, but ...
But…
In the resulting color scheme, there are probably more colors than those recommended by professionals 7, so you need to get rid of side colors. What is side and what is not, you should not, as a rule, determine errors.

Here are some examples:




I am sure this will help you significantly reduce the time to create the color scheme of the site. I would appreciate feedback.