With this post, I want to start a series of choosing colors. You can use this knowledge everywhere, where you deal with the colors: clothes, home decor, the color of accessories, colors on the website. Well, there are a lot of possibilities.
I do not know if you heard about something like a color wheel. It is a palette of colors arranged in a way to help you assess which colors match. There are 12 groups of colors on it, from which you can create countless combinations.
The first and easiest way is to choose colors from one group and move within it. The method is called monochromatic, i.e. differing only in tonality. So if you choose blue, everything will be in this color: light blue, darker and the darkest. Just as in my picture: