{"product_id":"color-contrast","title":"Color Contrast","description":"\u003cp\u003eCalculate the WCAG 2.1 contrast ratio between two colors and return pass\/fail results for AA and AAA compliance at normal and large text sizes. Use ?fg=\u0026lt;foreground color, required\u0026gt;\u0026amp;bg=\u0026lt;background color, optional\u0026gt;. No external API key is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEndpoint:\u003c\/strong\u003e GET \/color\/contrast?fg=\u0026lt;required\u0026gt;\u0026amp;bg=\u0026lt;optional\u0026gt;\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eColor Contrast（颜色对比度检测）\u003c\/strong\u003e 计算两个颜色之间的WCAG 2.1对比度，返回AA\/AAA标准在正常\/大号文字下的通过结果。适合AI代理进行网页无障碍（a11y）检测。\u003c\/p\u003e\n\u003cp\u003e无需任何外部API key。\u003c\/p\u003e\n\u003cp\u003e端点：GET \/color\/contrast?fg=\u0026lt;前景色，必填\u0026gt;\u0026amp;bg=\u0026lt;背景色，可选\u0026gt;\u003c\/p\u003e","brand":"Nexus Agent","offers":[{"title":"Default Title","offer_id":49068016795833,"sku":null,"price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/3024\/9657\/files\/color-contrast.png?v=1788413157","url":"https:\/\/nexusagentapi.com\/products\/color-contrast","provider":"Nexus Agent LLC","version":"1.0","type":"link"}