Change the color of right border with CSS

The border-right-color CSS property allows you to change the color of an element's right border specifically, without affecting the other borders.

Syntax

border-right-color: color;

Parameters

The color value can be specified using:

  • Color names: red, blue, green
  • Hex values: #FF0000, #00FF00
  • RGB values: rgb(255, 0, 0)
  • HSL values: hsl(0, 100%, 50%)

Example: Basic Right Border Color

<html>
<head>
    <style>
        .demo {
            border: 3px solid black;
            border-right-color: #FF0000;
            padding: 10px;
            margin: 10px;
        }
    </style>
</head>
<body>
    <p class="demo">
        This paragraph has a red right border
    </p>
</body>
</html>

Example: Multiple Color Formats

<html>
<head>
    <style>
        .hex-color {
            border: 4px solid gray;
            border-right-color: #00FF00;
            padding: 10px;
            margin: 5px;
        }
        
        .rgb-color {
            border: 4px solid gray;
            border-right-color: rgb(0, 0, 255);
            padding: 10px;
            margin: 5px;
        }
        
        .named-color {
            border: 4px solid gray;
            border-right-color: purple;
            padding: 10px;
            margin: 5px;
        }
    </style>
</head>
<body>
    <div class="hex-color">Hex color: Green right border</div>
    <div class="rgb-color">RGB color: Blue right border</div>
    <div class="named-color">Named color: Purple right border</div>
</body>
</html>

Key Points

  • The element must have a border defined first using the border property
  • You can combine border-right-color with other border properties like border-right-width and border-right-style
  • This property only affects the right border, leaving other borders unchanged
  • If no right border exists, this property has no visible effect

Conclusion

The border-right-color property provides precise control over right border styling. It's useful for creating visual emphasis or custom design elements that require specific border coloring.

Updated on: 2026-03-15T23:18:59+05:30

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