Having parallel edges with different colors between edges in a graph
124196
Differently colored edges of same direction in a graph?
81876
edges with thickness and color
109784
Coloring a region bounded by curves
78511
Splitting disconnected vertices in different objects
114177
color interpolation using interpolating functions on a quadrilateral
24995
How can I add vertices to intersection of two edges?
44394
Coloring a $10×10$ grid
110432
TikZ: multiple decorations on a path.
97630
A graph which is not a single block has at least two leaf blocks
51259
Draw additional parallel paths in TikZ
23025
Drawing pairs (planar graph, circle packing)
27407
every planar graph can be expressed as a union of five edge-disjoint forests
73841
How can I draw a graph like the diagram below?
142861
Multipartite graphs which are not planar
55633
Using uniform coloring in MatrixPlot
18801
How can I compute the chromatic number of a graph?
141482
Proof that plane with $N$ lines can be painted with two colors so that any two neighboring regions are painted in different colors