Almost as often as I want to blend two RGB values inside a color ramp, I want to blend two HSV values because I want the Hue to change without influencing the saturation of the colour.

This is currently possible in color ramps only by adding a lot of steps between two values, always manually setting the saturation to one and typing in the correct hue interpolations by hand.

(Simple example: I want to make a rainbow)

This is of course relevant for textures, materials, material nodes, texture nodes and compositing nodes.

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