Accent Color Tester
The Accent Color Tester lets you see how an accent color affects various UI components—like buttons, alerts, links, form inputs, cards, badges, and navigation elements—in real time. It helps ensure that your chosen accent color harmonizes with your UI's overall design.
Accent Color Tester
🎨 Primary Accent Color
🎨 Secondary Color
🌈 Color Palette Preview
📱 Live UI Preview
👁️ Accessibility Checker
Contrast Ratio Test
Color Blindness Simulation
💻 CSS Code Output
:root {
--primary-color: #4361ee;
--secondary-color: #7209b7;
--primary-light: #4895ef;
--primary-dark: #3a0ca3;
--accent-color: #f72585;
}
/* Generated CSS variables will appear here */
Accent Color Best Practices
Consistent Branding
Use accent colors consistently across your website to reinforce brand identity and create visual harmony.
Accessibility First
Ensure contrast ratios meet WCAG standards (4.5:1 for normal text, 3:1 for large text).
Color Psychology
Choose colors that evoke desired emotions - blue for trust, green for growth, orange for energy.
Responsive Design
Test colors on different devices and lighting conditions to ensure consistent appearance.
🎨 Color Harmony Types
- Complementary: Opposite colors on color wheel
- Analogous: Adjacent colors on color wheel
- Triadic: Three evenly spaced colors
- Monochromatic: Variations of single hue
- Split Complementary: Base + two adjacent to complement
📊 WCAG Contrast Standards
- Level AA: 4.5:1 for normal text
- Level AA: 3:1 for large text (18pt+)
- Level AAA: 7:1 for normal text
- Level AAA: 4.5:1 for large text
- UI Components: 3:1 minimum
How to Use This Tool
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The Accent Color Tester is a free online tool that helps you experiment with UI design colors, CSS accent shades, and hex code customization. To get started, simply pick a color using the color picker or enter a hex code value like #0d6efd. You can also explore preset color palettes such as blue, purple, red, green, or orange for quick testing in your web design project.
Next, use the preview options to see how your chosen accent color looks on buttons, alerts, cards, badges, progress bars, and text links. This live preview helps web designers, front-end developers, and UI/UX specialists check color combinations for readability, accessibility, and user experience before applying them to real websites or applications.
The tool also generates CSS variables automatically, making it easy to copy or download the code. You’ll get structured CSS snippets with accent-color, hover effects, and light variations, ready to paste directly into your project’s stylesheet. This saves time and ensures consistent brand identity and UI color schemes across your website.
Finally, adjust the contrast, background styles, and text accents in the live preview section to confirm that your chosen accent colors meet WCAG accessibility guidelines. Whether you’re working on Bootstrap themes, custom UI kits, or modern responsive websites, this tool helps you create professional, visually appealing designs with the perfect accent color harmony.
Use Cases
- Visually test accent colors across common UI components.
- Ensure design consistency for buttons, alerts, cards, and navigation with your accent color.
- Refine user interface color branding quickly with live previews.
- Easily copy CSS for implementation in your project.
Key Features
Live UI Component Preview
See accent color applied across multiple UI examples instantly.
Wide UI Coverage
Includes buttons, forms, alerts, cards, badges, navigation, progress, and more.
CSS Variable Generator
Copy generated CSS variables to implement your palette easily.
Frequently Asked Questions
Yes — the tool is completely free and doesn’t require registration.
It previews the accent color across buttons, alerts, form controls, cards, navigation items, badges, progress indicators, and more.
Yes — the tool lets you copy generated CSS variables or snippet to use in your project.
Yes — it is live and accessible as of its latest update.
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👨💻 About the Developer
Muhammad Abid Rahimi
Professional full-stack developer with expertise in creating high-performance web applications and tools. Specializing in PHP, MySQL, JavaScript, and modern web technologies. Passionate about building user-friendly interfaces and scalable backend systems that deliver exceptional user experiences.