If you’ve even only touched upon anything involving computers and colour, you’re sure to have encountered some way of modelling it. There’s Red Green Blue, Hue Saturation Lightness, L*ightness a*green-redness b*blue-yellowness (okay, that doesn’t work so well) and even Y luma In-phase Quadrature, amongst quite a few others. All specify a colour with three values, […]

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