Color Brightness Calculator API
Color Brightness Calculator is a tool for calculating color brightness and luminance. It determines if a color is light or dark using WCAG 2.0 standards and provides contrast ratios for accessibility compliance.
Live Test API
Try out the Color Brightness Calculator with a live request and see the response in real-time.
API Request
API Response
12345678910111213141516171819202122232425{ "status": "ok", "error": null, "data": { "hex": "#FF5733", "rgb": { "r": 255, "g": 87, "b": 51 }, "luminance": 0.2832, "perceived_brightness": 131, "yiq": 133.13, "is_light": false, "is_dark": true, "brightness_category": "dark", "recommended_text_color": "#FFFFFF", "contrast_ratio_with_white": 3.15, "contrast_ratio_with_black": 6.66, "wcag_aa_compliant_with_white": false, "wcag_aa_compliant_with_black": true, "wcag_aaa_compliant_with_white": false, "wcag_aaa_compliant_with_black": false } }
Multiple Access Methods
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GraphQL
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Frequently Asked Questions
Get answers to common questions about the Color Brightness Calculator API
What does the Color Brightness Calculator API do?
Color Brightness Calculator is a tool for calculating color brightness and luminance. It determines if a color is light or dark using WCAG 2.0 standards and provides contrast ratios for accessibility compliance. The API returns structured data in JSON, XML, or YAML format, making it easy to integrate into any application or workflow.
How fast is the Color Brightness Calculator API?
The Color Brightness Calculator API has an average response time of 142ms, with a median (p50) of 137ms and 99th percentile of 176ms. Our infrastructure maintains 99.9% uptime with servers distributed globally for low latency.
How much does the Color Brightness Calculator API cost?
Each call to the Color Brightness Calculator API uses 1 credit. The free tier includes 100 credits per month. Paid plans start at $29.99/month with higher limits, and enterprise plans offer custom pricing with priority support.
How do I authenticate Color Brightness Calculator API requests?
Include your API key in the request header as X-API-Key: your_key_here. All requests are made over HTTPS for security. You can get your API key by signing up for a free account.
What HTTP methods does Color Brightness Calculator support?
The Color Brightness Calculator API supports GET requests. Simply pass your parameters as query strings in the URL. Check our documentation for detailed parameter specifications.
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