Merge pull request #361 from MatthewMarinets/mm/custom_colours #190

Job	Run time
Test hosting with 3.12 on ubuntu-latest	3m 12s
Test Python 3.8 ubuntu-latest	6m 50s
Test Python 3.9 ubuntu-latest	6m 21s
Test Python 3.10 ubuntu-latest	6m 2s
Test Python 3.11 ubuntu-latest	6m 9s
Test Python 3.12 ubuntu-latest	7m 22s
Test Python 3.8 windows-latest	8m 57s
Test Python 3.12 windows-latest	11m 9s
Test Python 3.12 macos-latest	3m 56s
	59m 58s

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