Linear arithmetic in sRGB strikes again. Although calculating perceived brightness in a linear colorspace is also just an approximation, but it's still signific

Linear arithmetic in sRGB strikes again. Although calculating perceived brightness in a linear colorspace is also just an approximation, but it's still significantly better than doing linear arithmetic in sRGB. Imageworsener has a nice page about this issue in the context of converting to grayscale: https://entropymine.com/imageworsener/grayscale/ https://entropymine.com/imageworsener/grayscale/