Before I reached the hilbert curve section my best guess for a visually pleasing sorting would be using a 3D hilbert curve in LAB color space. So I’m very disap

Before I reached the hilbert curve section my best guess for a visually pleasing sorting would be using a 3D hilbert curve in LAB color space. So I’m very disappointed that the idea wasn’t explored in more depth. Such promising results for 2D curve in RGB space, and it wasn’t even extended to HSV?