public Color getVertexColor(String vertexType) {
		return vertexColorMap.getOrDefault(vertexType, defaultVertexColor);
	}
Returns the color for the given vertex type
@param vertexType the vertex type to get the color for
@return the color for the given vertex type
Ghidra/Framework/Graph/src/main/java/ghidra/service/graph/GraphDisplayOptions.java