gvcolor

Colorize a ranked digraph with a range of colors. Graphviz filters: acyclic, bcomps, comps, edgepaint, gvcolor, gvpack, mingle, nop, sccmap, tred, & unflatten. More information: https://graphviz.org/pdf/gvcolor.1.pdf.

• Colorize one or more ranked digraph (that were already processed by dot):
  gvcolor {{path/to/layout1.gv}} {{path/to/layout2.gv ...}} > {{path/to/output.gv}}
• Lay out a graph and colorize it, then convert to a PNG image:
  dot {{path/to/input.gv}} | gvcolor | dot -T {{png}} > {{path/to/output.png}}
• Display help for gvcolor:
  gvcolor -?