Use high-contrast colours for the biomes

Adding an option of high-contrast colours for the biome scans could be a useful feature for viewing the map. Compare this map:

http://wiki.kerbalspaceprogram.com/w/images/6/69/MunBiomeMap.png

with this one:

https://farm3.staticflickr.com/2919/13887116263_83e3692a47.jpg
