René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: color=(\"Cn\", alpha) does not work","articleBody":"### Bug summary\n\nReading https://matplotlib.org/stable/users/explain/colors/colors.html#color-formats it would seem like `color=(\"C0\", .5)` (C0 color with alpha=0.5) should work, but it doesn't.\r\n\r\n(Could also be considered a doc bug or a feature request, strictly speaking.)\n\n### Code for reproduction\n\n```Python\nfrom pylab import *; plot([0, 1], c=(\"C0\", .5))\n```\n\n\n### Actual outcome\n\nValueError: ('C0', 0.5) is not a valid value for color\n\n### Expected outcome\n\nNo error.\n\n### Additional information\n\n_No response_\n\n### Operating system\n\nmacos\n\n### Matplotlib Version\n\n3.9.0.dev1178+g88d64e5f0c\n\n### Matplotlib Backend\n\nany\n\n### Python version\n\n3.12\n\n### Jupyter version\n\nnone\n\n### Installation\n\ngit checkout","author":{"url":"https://github.com/anntzer","@type":"Person","name":"anntzer"},"datePublished":"2024-02-27T19:59:02.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/27827/matplotlib/issues/27827"}