Référence technique et guide d'architecture

Extracteur de palette de couleurs et vérificateur de contraste — Guide de référence

Vérificateur de contraste de couleurs accessible WCAG 2.1 et générateur de palettes harmonieuses.

Paramètres clés et contrôles

Preset Indexnumber

Configures preset index during client-side color palette extractor & contrast checker computation.

Par défaut : 0
Fg Colorstring

Configures fg color during client-side color palette extractor & contrast checker computation.

Par défaut : #f0f6fc
Bg Colorstring

Configures bg color during client-side color palette extractor & contrast checker computation.

Par défaut : #0d1117
Fg Inputstring

Configures fg input during client-side color palette extractor & contrast checker computation.

Par défaut : #f0f6fc

Conseils de pro et bonnes practices

Deficiency Transformation

Under , foreground maps to and background maps to .

Multi-Color Accessibility Contrast Matrix

NxN comparison matrix evaluating WCAG 2.1 compliance between every combination of colors in your active palette.

Export Production Design Tokens & SVG

Export your verified color tokens into Tailwind configuration, CSS Custom Properties, JSON, or downloadable SVG vector swatches.

Pièges courants et dépannage

Unexpected output or validation warning in Color Palette Extractor & Contrast Checker

Verify that your preset index matches the expected number format. Load a built-in sample preset to compare structural formatting.

Exported wcag contrast checker result differs across target environments

Check the fg color setting in Color Palette Extractor & Contrast Checker to ensure encoding, precision, or specification version matches your target runtime.

Foire aux questions (FAQ)

How does Color Theory Harmony Engine work in Color Palette Extractor & Contrast Checker?▼

Generate mathematically balanced color harmonies (Complementary, Triadic, Analogous, Monochromatic, and Tailwind tone scales).

How does 100% Client-Side Image Palette Extractor work in Color Palette Extractor & Contrast Checker?▼

Extract dominant color swatches locally in your browser via HTML5 Canvas. Zero network transmission.

How does Color Vision Deficiency (CVD) Simulation work in Color Palette Extractor & Contrast Checker?▼

Evaluate how your contrast pair and active palette appear to users with different forms of color blindness using validated Brettel/Viénot transformations.

How does Standard Vision Baseline work in Color Palette Extractor & Contrast Checker?▼

This is the original appearance of your foreground () over background ().

Outils et utilitaires connexes

Tous les outils →