CSS Colors
CSS colors can be specified using names, HEX codes, RGB, and RGBA values.
CSS lets you apply color to text, backgrounds, and borders using different formats: color names, HEX codes, RGB, and RGBA (with transparency).
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Color Format Reference
| Format | Syntax | Example |
|---|---|---|
| Color Name | color: red | 140+ built-in names |
| HEX | color: #FF5733 | #RRGGBB |
| RGB | color: rgb(255, 87, 51) | 0–255 per channel |
| RGBA | color: rgba(255, 87, 51, 0.5) | RGB + alpha (0–1) |
Tip: HEX codes are the most popular format in professional projects. Tools like the Chrome DevTools color picker let you visually pick any HEX value.