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Tintbox: Free Offline Android App Generates Color Palettes with Dev Export Tools

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Tintbox is a free Android app developed solo using .NET MAUI under Horizon Software, designed to simplify color palette creation for designers and developers. The app allows users to input HEX, RGB, or HSL values, or drag sliders, to generate palettes based on five color-theory harmony types. It also supports palette extraction from photos, a WCAG contrast checker with AA and AAA ratings, and a color-blindness simulator for three vision types. Users can export palettes in 17 developer formats — including CSS, SCSS, Tailwind, SwiftUI, Flutter, and Android XML — with CSS and SCSS always free and the full set unlocking via a short video. The app works entirely offline with no account required and is available now on Google Play.

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Tintbox: Free Offline Android App Generates Color Palettes with Dev Export Tools · ShortSingh