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Color Picker / Converter
Pick a color and convert HEX, RGB, and HSL values.
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Pick text and background colors, preview sample text, and see contrast pass/fail results for accessibility targets.
Tip: MH Tools runs this utility in your browser for quick no-login use. Review generated output before publishing or sharing it.
Color Contrast Checker is part of the Image Tools collection in MH Tools. It is designed for fast, no-login use and works well for quick browser-based tasks.
This tool calculates contrast ratio and common WCAG pass/fail labels for selected colors.
Step 1: Pick foreground and background colors.
Step 2: Review the preview and ratio.
Step 3: Copy color values or result.
Yes. This tool runs without login or payment.
No. Color calculations happen locally in your browser.
Pick a color and convert HEX, RGB, and HSL values.
Create CSS linear gradients with live preview.
Extract dominant HEX colors from an uploaded image locally.
Preview thumbnail text in common creator ratios with quick length warnings.
Compress JPG, PNG, and WebP images locally with quality and size controls.
Resize images locally with width, height, and aspect ratio lock controls.
Compress JPG, PNG, and WebP images locally with quality and size controls.
Resize images locally with width, height, and aspect ratio lock controls.
Convert images to JPG, PNG, or WebP when your browser supports the format.
Crop images locally with numeric crop controls and common aspect ratios.
Preview sample
Readable design starts with contrast.
This sample uses your selected foreground and background colors.
Ratio
15.34:1
AA normal
Pass
AA large
Pass
AAA normal
Pass
AAA large
Pass