There are many tools which help designers choose matching colours. Let us talk about them here
From the above image you can see how Paletton can find great colour combinations based on your selected colour. You can export them to .gpl to use with GIMP and Inkscape, Sketch Palette, ACO for Adobe Photoshop and even as a PNG image.
It is helpful when you design a logo, your website theme or even while making an independent art.