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python/snippets/rgb-to-hex.md

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+---
+title: RGB to hex
+type: snippet
+tags: [string,math]
+cover: campfire
+dateModified: 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'
+```