--- title: RGB to hex tags: string,math cover: campfire firstSeen: 2020-09-13T01:08:00+03:00 lastUpdated: 2020-11-02T19:28:27+02:00 --- Converts the values of RGB components to a hexadecimal color code. - Create a placeholder for a zero-padded hexadecimal value using `'{:02X}'` and copy it three times. - Use `str.format()` on the resulting string to replace the placeholders with the given values. ```py def rgb_to_hex(r, g, b): return ('{:02X}' * 3).format(r, g, b) ``` ```py rgb_to_hex(255, 165, 1) # 'FFA501' ```