Brighter Colors for Balanced Palettes 

The new color models in Mathematica 10 can help maintain vibrant colors while providing balanced shading.

A palette using the Hue color model.

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X GeoListPlot[ Partition[Sort@EntityList[EntityClass["Country", "Africa"]], 1], PlotStyle -> Table[Hue[h - .1, 1, 1], {h, .1, 1.1 - 1/7, 1/7}]]

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A palette using the Hue color model, darkened and unsaturated to balance the shading and remove the vibrance.

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X GeoListPlot[ Partition[Sort@EntityList[EntityClass["Country", "Africa"]], 1], PlotStyle -> Table[Hue[h - .1, .6, .6], {h, .1, 1.1 - 1/7, 1/7}]]

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LCHColor and LABColor have the ability to maintain the vibrance while displaying balanced shading.

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X Grid[Partition[ Labeled[GeoListPlot[ Partition[Sort@EntityList[EntityClass["Country", "Africa"]], 1], PlotStyle -> Table[#[[2]], {h, .1, 1.1 - 1/7, 1/7}]], #[[ 1]]] & /@ { {"Hue", Hue[h - .1, 1, 1]}, {"Balanced Hue", Hue[h - .1, .6, .6]}, {"LCHColor", LCHColor[.6, 1, h]}, {"LUVColor", LUVColor[.6, Cos[h 2 Pi], Sin[h 2 Pi]]} }, 2], Spacings -> {1, 2}]

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