CSS Colors for Beginners
Learn all CSS color formats — named colors, HEX, RGB, HSL, and how to apply them in stylesheets.
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CSS Colors for Beginners CSS lets you set colors for text, backgrounds, borders, shadows, and more. Every color property accepts the same formats — once you learn the formats, you can use them anywhere. For a full overview of color utilities, see the Color Tools for Designers and Developers guide. --- What is four ways to specify colors? Named Colors CSS has 140 color keywords that work everywhere: Named colors are great for learning and quick tests. For production work, use HEX or HSL — named colors rarely match real brand colors. See the full list of CSS named colors. HEX Codes A six-character code starting with : Each pair represents one color channel: — first two = red, next two = green, last two = blue Values run from (none of that color) to (maximum) RGB A function that takes three…
Frequently Asked Questions
How do I set a color in CSS?
Use the `color` property for text and the `background-color` property for backgrounds. Assign any valid CSS color value: `color: red`, `color: #ff4444`, `color: rgb(255, 68, 68)`, or `color: hsl(0, 100%, 63%)`. All four examples produce a shade of red. You can apply these to any CSS selector that targets HTML elements.
What is a HEX color code?
A HEX color code is a six-character string starting with `#`, representing the red, green, and blue components in base-16 (hexadecimal). Each pair of characters ranges from 00 (decimal 0) to FF (decimal 255). For example, `#FF0000` is pure red (R=255, G=0, B=0). HEX is the most common format in web design.
What is the difference between color and background-color?
The `color` property sets the foreground color — primarily the text color of the element and its children. The `background-color` property sets the color of the element's background (behind its content). Both accept the same color value formats. To color text red on a yellow background: `color: red; background-color: yellow`.
How do I set opacity in CSS?
There are two ways: use `rgba()` or `hsla()` with an alpha value (0 fully transparent, 1 fully opaque), or use the `opacity` property (0–1). The difference: `rgba` / `hsla` only affects that one color. The `opacity` property makes the entire element and all its children transparent. For a semi-transparent background while keeping text fully opaque, use `background-color: rgba(0, 0, 0, 0.5)`.
What is currentColor in CSS?
The `currentColor` keyword refers to the element's current `color` value. Use it to keep other properties in sync with the text color without repeating the value. Example: `border: 1px solid currentColor` — the border automatically matches whatever `color` is set. SVG elements use `currentColor` for `fill` and `stroke` to inherit the surrounding text color.
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