René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: ValueError: The 'color' keyword argument must have one color per dataset","articleBody":"### Bug summary\n\nWe can plot multiple lines in one color with `plt.plot`, but not with `plt.hist`.\nI'm not sure if this considered as a bug, but I can't understand why hist force this requirement.\n\n\n### Code for reproduction\n\n```Python\nimport matplotlib.pyplot as plt\n\ndata = [[0, 1, 2], [3, 4, 5]]\n\nplt.plot(data, color='k')\nplt.show()\n\nplt.hist(data, color='k')\n```\n\n### Actual outcome\n\n`plt.plot` works as expected, but `plt.hist` get the following error\n\u003e ValueError: The 'color' keyword argument must have one color per dataset, but 2 datasets and 1 colors were provided.\n\n### Expected outcome\n\nJust plot the histograms in same color\nWhat I want to achieve is \n![hist_prior](https://dfm.io/posts/intro-to-numpyro/output_35_0.png)\n![hist_post](https://dfm.io/posts/intro-to-numpyro/output_47_0.png)\n\n### Additional information\n\n_No response_\n\n### Operating system\n\n_No response_\n\n### Matplotlib Version\n\n3.10.8\n\n### Matplotlib Backend\n\n_No response_\n\n### Python version\n\n_No response_\n\n### Jupyter version\n\n_No response_\n\n### Installation\n\nNone","author":{"url":"https://github.com/gapplef","@type":"Person","name":"gapplef"},"datePublished":"2025-12-14T13:47:52.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":12},"url":"https://github.com/30857/matplotlib/issues/30857"}