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How to use Sepia Tone Converter

Enter a color, and the tool applies the classic sepia photo-tone matrix to it.

Frequently asked questions

What is a sepia tone?

A warm brownish tint reminiscent of old photographs, produced by a fixed color matrix applied to each RGB channel.

What matrix is used?

The widely-used sepia matrix: R'=0.393R+0.769G+0.189B, G'=0.349R+0.686G+0.168B, B'=0.272R+0.534G+0.131B, clamped to 0–255.

Can I sepia a whole image here?

This tool tones a single color. For images, apply the same matrix as a CSS or canvas filter across every pixel.

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