Edward Tufty in Envisioning Information mentions one way to choose a color palette for decoration. He says that it is very good to use the colors of the world around us. A person should be pleasant to those combinations of colors that surround him in a natural pleasant environment on a sunny day.
Having decided to practice, I took a few of my soap photos, poked at them with a pipette and painted a little meaningless pattern with the resulting colors.
Here is a nice winter landscape
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There are still photos under the cut, and if you are interested in Taffy, I have links to his books and examples from them on my website.
Here is a little gloomy alpine village

Cold crack glacier

But a beautiful sunset over the harsh North Sea

The most common Russian summer

And sandy gloom

Something happens, so as an idea, it will come down. Any graphic designer, I think, will be able to choose a beautiful palette with the right mood.