Rgb() function
The CSS rgb() function specifies a color using red, green, and blue component values in the sRGB color space.
CSS in Depth, Second Edition
The CSS rgb() color function specifies a color using red, green, and blue components in the sRGB color space.
- How it is used
- Specifies CSS colors using decimal red, green, and blue components.
- How deep it goes
- Defines component ranges and hex equivalence, but stops short of a broader `rgb()` syntax reference.
- Examples
- Compares `rgb(0 0 0)` with `#000` and `rgb(136 0 0)` with `#800`.
- What you can do after
- Evaluate/understand equivalent RGB and hex values when choosing a CSS color notation.
Read how CSS in Depth, Second Edition explains rgb() function →
Web Design Playground
A CSS color function that specifies a color by combining red, green, and blue component values.
- How it is used
- Supplies CSS color values for text and backgrounds, and serves as an input or output in color-selection tools.
- How deep it goes
- Explains three 0–255 components, percentage equivalents, a CSS rule, and defers transparency to rgba().
- Examples
- Uses a purple h1 rule, percentage purple notation, common-color component combinations, and red and light-gray practice prompts.
- What you can do after
- Apply it through CSS color properties to assign decimal or percentage RGB colors to elements.
Math for Web Design
rgb() is a CSS color function that specifies a color using red, green, and blue component values.
- How it is used
- Specifies CSS colors for fixed styles or dynamically generated JavaScript values.
- How deep it goes
- Defines channel ranges, additive color mixing, percentages, alpha, and hexadecimal alternatives without developing color conversion.
- Examples
- Uses black, white, grayscale, purple CSS text, translucent purple, and a JavaScript random-color generator.
- What you can do after
- Apply it via CSS or JavaScript to specify colors, transparency, and randomly generated channel values.
Related concepts
- hexadecimal color notationalternative to · Hexadecimal color notation is a textual representation of color components using hexadecimal digits, typically encoding red, green, blue, and optionally alpha.
- HSL methodalternative to · The HSL method represents colors using hue, saturation, and lightness within a color model or notation system.
- RGBuses · RGB is an additive color model that represents colors through separate red, green, and blue component values or intensities.
- coloruses · Color is a visual property or representation characterized by attributes such as hue, lightness, saturation, or component values.
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