How to implement search-by-color when all you have is a good coffee
Using the distance of the colors in a Euclidian space makes sense, but RGB isn't the best space to use.<p>You probably want something like CIELAB which is (quoting from Wikipedia) "designed so that the same amount of numerical change... corresponds to roughly the same amount of visually perceived change."<p><a href="https://en.m.wikipedia.org/wiki/CIELAB_color_space" rel="nofollow">https://en.m.wikipedia.org/wiki/CIELAB_color_space</a>