src/share/tools/IdealGraphVisualizer/ServerCompiler/src/com/sun/hotspot/igv/servercompiler/filters/color.filter

colorize("name", ".*", yellow);
colorize("name", "Catch.*", blue);

colorize("name", "Region|Loop|CountedLoop|Root", red);
colorize("name", "CProj|IfFalse|IfTrue|JProj|CatchProj", magenta);