Colors for highly detailed maps

Hi! I’m going to list here some color combinations I already have for my detailed world maps with rivers. These world maps are suitable for: 60×40″ or 72×48″ digital download (in one piece) Three pieces of 24×36″ as digital download Art prints in 60×40″  or 72×48″ Art prints in sets of 3 prints of 24×36″ each Foamcore…