Hex Color Validator
Validate hex color codes — #RGB, #RRGGBB, and alpha variants, with RGB values.
Runs locally in your browser. Your input is not uploaded.
How to Use
- 1
Paste hex codes
One per line, with or without #.
- 2
Read the verdicts
Format is identified; failures explain the exact problem.
- 3
Check the RGB
Valid colors show rgb() values and alpha.
Frequently Asked Questions
- Four: #RGB and #RGBA shorthand (3–4 digits), and full #RRGGBB and #RRGGBBAA (6–8 digits). Anything else — 5 digits, letters beyond F — is invalid, and the tool explains which rule failed.
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