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MDS solution for the colors. Top panel: plot of Dimension 1 (hue) against Dimension 2 (brightness). Bottom panel: plot of Dimension 1 (hue) against Dimension 3 (saturation). Hue dimension-values 1, 2, and 3 (both panels) are represented by open, gray, and solid symbols. Brightness dimension-values 1, 2, and 3 (top panel) are represented by circles, squares, and triangles. Saturation dimension-values 1, 2, and 3 (bottom panel) are represented by circles, squares, and triangles.
