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CSS Colors

CSS provides various ways to specify colors, allowing you to enhance the visual appeal and usability of your website. You can use named colors (like "red" or "blue"), or more precise methods like RGB, HEX, and HSL. Understanding these color formats lets you fine-tune your design, ensuring consistent branding and better accessibility.

Key Topics

Named Colors

CSS includes a set of named colors that can be used directly. For example, you can write color: red; or background-color: blue;. Although simple, named colors offer less control compared to other color formats.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Named Colors Example</title>
    <style>
        body {
            background-color: lightgray;
            font-family: Arial, sans-serif;
        }
        h1 {
            color: blue;
        }
        p {
            color: red;
        }
    </style>
</head>
<body>
    <h1>This Heading is Blue</h1>
    <p>This paragraph text is red.</p>
</body>
</html>

Explanation: Named colors are straightforward for quick use, but as you develop more complex designs, you’ll often switch to more flexible formats like RGB, HEX, or HSL for precision.

Comparing Color Formats

  • Named Colors: Simple but limited.
  • RGB: Define colors by specifying Red, Green, and Blue values.
  • HEX: A six-digit hexadecimal code representing RGB values.
  • HSL: Hue, Saturation, and Lightness provide a more intuitive way to adjust colors.

Color and Accessibility

Choose colors with sufficient contrast to ensure text is readable for all users. High contrast ratios improve legibility and accessibility, making the web more inclusive.

Key Takeaways

  • CSS offers multiple ways to define colors, from simple named colors to more advanced formats.
  • Picking the right format (RGB, HEX, or HSL) gives you better precision and flexibility.
  • Always consider accessibility by ensuring adequate contrast.
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