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Spectrum in VL

I love using the spectrum node in VVVV to select colours, also use HSL, using the hue to alter the selected colour. Is there a way to select colour by wavelengh in VL?

am afraid we don’t have a ready to use node, but the math behind it is not too complicated: https://gist.github.com/friendly/67a7df339aa999e2bcfcfec88311abfc

Spectrum.vl (48.1 KB)

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