René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"matplotlib.colors rgb2hex is not the right inverse of hex2color","articleBody":"```\r\n\u003e\u003e\u003e matplotlib.__version__\r\n'3.3.2'\r\n\u003e\u003e\u003e from matplotlib.colors import rgb2hex, hex2color\r\n\u003e\u003e\u003e rgb_color = (0.5, 0.5, 0.9)\r\n\u003e\u003e\u003e hex2color(rgb2hex(rgb_color))\r\n(0.5019607843137255, 0.5019607843137255, 0.9019607843137255)\r\n```\r\nIt should return `(0.5, 0.5, 0.9)`.\r\nAs it seems the additive factor it is always the same, it should be a matter of subtracting 0.0019607843137255 from the three channels.\r\n\r\nThanks!\r\n\r\n---------\r\nP.S. the inverse composition works as expected:\r\n```\r\n\u003e\u003e\u003e rgb2hex(hex2color( '#808080'))\r\n'#808080'\r\n```","author":{"url":"https://github.com/SebastianoF","@type":"Person","name":"SebastianoF"},"datePublished":"2020-09-25T13:49:05.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/18574/matplotlib/issues/18574"}