digraph G {
node [style=filled]
abc [color=green]
def [color="0.2,0.8,0.8"]
ghi [color="#FF0000"]
kl [color="#FF00007F"]
mno [color=yellow, fontcolor="#FF00007F"]
pqr [label=mno, color=yellow, fontcolor="#FF0000"]
abc -> def [color="red:blue:#00FF00"]
}