![]() Alternatively, you can have a volume left / volume right arrangement. You can compare this to the two controls on your HiFi: typically, you have one control for volume, another for balance. Switching between these two assigns dfferent roles to the sliders. Here you can switch between the “RGB” and the “HSL” colour spaces. There are various “colour spaces” as approximation to the gamut of all colours we perceive. ![]() You can turn this into a competition: the similarity goal can be changed (preset to 10%), and Reset starts a seconds timer next to it. You will need to use all three sliders because normal human colour vision is three-dimensional or “trichromatic”.Ī bar below the sliders appears after a sufficiently close match was achieved and indicates similarity on a %-scale. Try to match the colour at the left bottom with the left top colour. You can play this as a game: can I match the colour, and if so, how fast? If you find all of this bewildering and difficult, welcome to the club! I’ve spent decades on it… What to do With the pop-up at the very top you can alternatively select the HSL colour space, where the letters stand for H=hue, S for saturation (=“strength” of the colour), and L=lightness (similar to brightness). Initially the mixing sliders control an RGB space: left for red, middle for green, right for blue. The upper colour square (preset to blue) is the one you can change with the three mixing sliders. It is randomly selected each time you press Reset. The lower one is the target colour, the one you’ll want to match. In the adjoining demo you see in the left part two coloured squares atop each other.
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