Pantone Color Finder

Find the closest Pantone color match for any HEX/RGB value with Delta-E accuracy measurement.

Tested tool guide Tested browser tools Checked August 16, 2026

What Pantone Color Finder does and how it behaves

This tool takes a hex or RGB value, converts it to Lab color space, and compares it against a reference table of Pantone colors to return the nearest match with its Delta-E distance. A lower Delta-E means a closer visual match; values under roughly 1 are usually imperceptible, while values above 3-5 are visibly different to most viewers. The thing people get wrong most often is treating the result as an official Pantone lookup - it is a numeric nearest-neighbor match against published approximations, not a certified print value from a licensed Pantone library.

How the result is produced

Hex/RGB to Lab conversion

The input hex or RGB value is converted from sRGB into CIE Lab color space, which separates lightness from the two color-opponent axes (a* for green-red, b* for blue-yellow). Comparing colors in Lab space rather than raw RGB numbers produces a distance measure that tracks human perception more closely than a flat RGB difference would.

Delta-E ranking against a Pantone table

The converted Lab value is compared against a stored table of Pantone reference colors (also expressed in Lab), computing a Delta-E distance for each entry. The table is sorted by distance and the closest one or few entries are returned along with their numeric Delta-E score, so you can see how close the match actually is, not just which name it picked.

Good uses

picking the nearest Pantone spot color for a brand hex before handing artwork to a print shop
checking whether a supplied hex and a client-specified Pantone number are close enough to count as the same color
converting an RGB value pulled from a photo or screenshot into an approximate Pantone reference for a mood board or style guide

Limits and checks

A close Delta-E on screen does not guarantee a close match in print - the same Pantone number looks different on coated versus uncoated stock, and actual ink, substrate, and press conditions all shift the printed result.
Pantone's official color values are proprietary and licensed; this tool matches against openly available approximate Lab/RGB values for named Pantone colors, so results can differ slightly from a measurement taken with a licensed Pantone Color Manager or a physical spectrophotometer.
For desaturated, near-gray, or near-black inputs, several Pantone entries can sit within a similar Delta-E of each other, so the single closest match may not be meaningfully closer than the second or third candidate - check the reported Delta-E values rather than assuming the top result is uniquely correct.

Common questions

Is this the same as Pantone's own Connect or Color Finder tool?

No. Pantone's official color data is proprietary and licensed software; this tool uses independently published approximate values for Pantone-named colors. Treat the result as a close estimate for design and reference purposes, not as an official Pantone-certified match.

Will the Pantone number I get match my screen exactly when printed?

No. Your screen displays emissive RGB light, while Pantone spot colors are physical inks printed on coated or uncoated stock, so the on-screen preview and the printed swatch will not look identical. For color-critical print work, confirm the number against a physical Pantone book under standard lighting.

References and verification

The behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.