font: Arial 9

background: 0.9 0.9 0.88 1.0

cluster: 0.0 0.0 0.0 0.1
edge: 0.2 0.2 0.2 0.8
path: 1.0 0.0 0.5 1.0

light: 0.4 0.5 0.6 1.0
dark: 0.2 0.3 0.4 1.0
blue: 0.0 0.5 0.7 1.0
green: 0.1 0.5 0.0 1.0