Kelvin Mix focuses on converting Kelvin color-temperature values into approximate RGB colors. It is catalogued under Brand, color & typography on PulseGate.

Who is Kelvin Mix for?

Kelvin Mix is a consumer product built for designers, developers, and photographers working with color temperature.

Does Kelvin Mix have a free plan?

Yes — Kelvin Mix is free to use.

Is Kelvin Mix still active?

Unverified. Kelvin Mix has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to Kelvin Mix?

Similar projects tracked by PulseGate include Alt Catppuccin, Font, Keyboard Skin for iPhone, and Myfancytext.

Who makes Kelvin Mix?

Kelvin Mix is developed by Keith H. Thomas.

How long has Kelvin Mix been around?

Kelvin Mix first shipped in 2026.

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Kelvin Mix

Name: Kelvin Mix
Author: Keith H. Thomas

mozilla.orgBrand, color & typography

Kelvin Mix is a Firefox extension that approximates RGB colors from Kelvin color-temperature values. It is intended for users who need a quick color-temperature conversion tool while browsing or working with digital color.

FreeWebEmbeddablemacOSWindowsLinux

Visit mozilla.org

Overview

5 features

Kelvin Mix is a Brand, color & typography project. It focuses on converting Kelvin color-temperature values into approximate RGB colors. It is built as a consumer product for designers, developers, and photographers working with color temperature. Kelvin Mix costs nothing to use. It runs on the web, embeddable surfaces, macOS, Windows, and Linux.

It is developed by Keith H. Thomas, and it first shipped in 2026. Key capabilities include kelvin input, RGB approximation, and firefox integration. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Kelvin input
RGB approximation
Firefox integration
Lightweight extension
No data collection

Built with & integrations

Runs on

BrowserEmbeddablemacOSWindowsLinux

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed27 Aug · 15:54 UTC
Kelvin Mix verified against its public source
Source: PulseGate · Open

Frequently asked questions about Kelvin Mix

What is Kelvin Mix?: Kelvin Mix focuses on converting Kelvin color-temperature values into approximate RGB colors. It is catalogued under Brand, color & typography on PulseGate.
Who is Kelvin Mix for?: Kelvin Mix is a consumer product built for designers, developers, and photographers working with color temperature.
Does Kelvin Mix have a free plan?: Yes — Kelvin Mix is free to use.
What platforms does Kelvin Mix run on?: Kelvin Mix runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Is Kelvin Mix still active?: Unverified. Kelvin Mix has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to Kelvin Mix?: Similar projects tracked by PulseGate include Alt Catppuccin, Font, Keyboard Skin for iPhone, and Myfancytext.Alt Catppuccin Font, Keyboard Skin for iPhone Myfancytext
Who makes Kelvin Mix?: Kelvin Mix is developed by Keith H. Thomas.
How long has Kelvin Mix been around?: Kelvin Mix first shipped in 2026.

At a glance

Pricing: Free
Platforms: Web
First seen: 27 Aug 2026
Built for: designers, developers, and photographers working with color temperature
Model: B2C
Solves: Converting Kelvin color-temperature values into approximate RGB colors.

Registered as

Firefox Add-ons: kelvin-mix

Developer

Keith H. Thomas

Index record

Identity confidence: Medium · 78.8
Indexed: 27 Aug 2026
Lifecycle: Alive
First seen: Aug 2026
Last seen: 27 Aug 2026

Identity audit (13)

Slug: kelvin-mix-mozilla-org
Lifecycle state recorded: 27 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 27 Aug 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 27 Aug 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/kelvin-mix

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