René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: set_prop_cycle does not affect Cn colors","articleBody":"### Bug summary\n\nUpdating the color cycler with `set_prop_cycle` does not affect the colors selected explicitly with the `\"Cn\"` notation.\n\n### Code for reproduction\n\n```Python\nfig, ax = plt.subplots()\n\nax.set_prop_cycle(color=[\"k\"])\n# Expect this line to be black; it is drawn blue\nax.plot([0, 1], [0, 1], color=\"C0\")\n```\n\n### Actual outcome\n\nColors are selected based on the global cycler.\n\n### Expected outcome\n\nExpect colors to be selected according to the updated cycler.\n\n### Additional information\n\nOccurs on windows + mpl 3.11.0 and linux + mpl 3.10.0\n\n### Operating system\n\nWindows and linux (RHEL9)\n\n### Matplotlib Version\n\n3.11.0\n\n### Matplotlib Backend\n\n_No response_\n\n### Python version\n\n3.12.13\n\n### Jupyter version\n\n_No response_\n\n### Installation\n\nNone","author":{"url":"https://github.com/aschankler","@type":"Person","name":"aschankler"},"datePublished":"2026-07-06T18:00:42.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":8},"url":"https://github.com/32004/matplotlib/issues/32004"}