Overlap (when H^ is an integer) occurs because two ways to calculate the value are equivalent: X=0 or X=C, as appropriate. Then we can find a point ( R 1, G 1, B 1)along the bottom three faces of the RGB cube, with the same hue and chroma as our color (using the intermediate value Xfor the second largest component of this color): The is a simple online tool that lets you browse the Munsell color notation in your web browser. Given a color with hue H∈, saturation S HSL ∈, and lightness L∈, we first find chroma: For RGB to Munsell conversion, a dataframe (NA-padded) of hue, value, chroma, and Euclidean distance to nearest matching color is returned. Finally, we add equal amounts of R, G, and B to reach the proper lightness or value. Next, we find the point on one of the bottom three faces of the RGB cube which has the same hue and chroma as our color (and therefore projects onto the same point in the chromaticity plane). First, we compute chroma, by multiplying saturation by the maximum chroma for a given lightness or value. To convert from HSL or HSV to RGB, we essentially invert the steps listed above (as before, R, G, B ∈ ).
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