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colorize

Color Converter

HEX, RGB and HSL with a contrast check.

Color

HEX

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RGB

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HSL

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Aa Aa

On white

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On black

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info

Shows the WCAG contrast ratio against black and white, so you find out before review whether the label is readable.

Other tools

Turn a spreadsheet export into objects, and back.

Read a config file as JSON, or write one from it.

Binary, octal, decimal and hex, all at once.

camelCase, snake_case, kebab-case and slugs.