Arrow's color in WinGraphviz(16/03 2003)

color of arrow DOT language
Color Name digraph G { rankdir="LR"; 1 -> 2 [label="Arrow color" color="dodgerblue" ] }
HSV digraph G { rankdir="LR"; 1 -> 2 [label="Arrow color" color="0.002 0.999 0.999" ] }
RGB digraph G { rankdir="LR"; 1 -> 2 [label="Arrow color" color="#1E92FF" ] }

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