I think it is 0xCC, or in long form 0xCD03

I need to permanently increase the entropy of the system. Failing to do so might lead to catastrophe.

Top right seems to be the best.

The others:

• Top left: Mystery tongue coming from or going somewhere
• Middle left: Much to bright, hard edges make finding icons difficult
• Middle right: Too many dark areas
• Bottom left: Might be okay as well
• Bottom right: Too bright and might not fit the mood as this seems to be an anime inspired background

Naja, kommt drauf an, ob du die dritte Koordinate in deiner Definition der Erdoberfläche benötigst.

Also eher ob du die Welt Schallplatten- oder Ballförmig siehst.