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How to Convert RGB to Hexadecimal
Formula
Each RGB component (0-255) is converted to a two-digit hex value. For example, RGB(66,133,244) becomes #4285F4.
This calculator also computes perceived brightness using the luminance formula.
Common use cases:
- Web design color specification
- CSS and HTML color coding
- Graphic design color matching
Frequently Asked Questions
Dr. David Park
Applied Mathematician, PhD Mathematics
David holds a PhD in Applied Mathematics from MIT. He has published research on numerical methods and computational algorithms used in engineering and scientific calculators.
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