Color Picker

How to Use the Color Picker

Click the color picker square to open your browser's native color selector and choose any color. Alternatively, type a HEX code directly into the input field. The tool instantly displays the equivalent HEX, RGB, and HSL values, along with a live color preview. Click "Copy" next to any format to copy it to your clipboard for use in your project.

Understanding Color Formats

HEX Colors

HEX (hexadecimal) is a six-character color code starting with # followed by two characters each for Red, Green, and Blue channels. Each pair uses hexadecimal values from 00 (minimum) to FF (maximum). For example, #FF0000 is pure red, #00FF00 is pure green, and #0000FF is pure blue. HEX is the most commonly used format in web development.

RGB Colors

RGB uses decimal values from 0 to 255 for Red, Green, and Blue channels. The format in CSS is rgb(R, G, B). For example, rgb(255, 0, 0) is pure red. RGB is particularly useful when you need to programmatically manipulate individual color channels, such as adjusting brightness or creating color gradients.

HSL Colors

HSL stands for Hue, Saturation, and Lightness:

• Hue (0-360°): The color on the color wheel. 0°/360° is red, 120° is green, 240° is blue.
• Saturation (0-100%): The intensity of the color. 0% is grayscale, 100% is full saturation.
• Lightness (0-100%): How light or dark the color is. 0% is black, 100% is white, 50% is the pure color.

HSL is often considered more intuitive than RGB because you can easily create lighter or darker shades by adjusting just the lightness value, or create pastel versions by reducing saturation.

Color in Web Design

Colors play a crucial role in web design, affecting user experience, branding, readability, and emotional response. Understanding color theory basics helps create effective designs:

• Complementary colors are opposite each other on the color wheel and create strong contrast.
• Analogous colors are adjacent on the color wheel and create harmonious, cohesive designs.
• Contrast ratio between text and background must meet accessibility standards (WCAG 2.1 requires at least 4.5:1 for normal text).

CSS Color Usage

All three formats are valid in CSS and produce identical results:

• color: #4F46E5; — HEX format
• color: rgb(79, 70, 229); — RGB format
• color: hsl(243, 75%, 59%); — HSL format

CSS also supports alpha transparency with rgba() and hsla() functions, where a fourth value between 0 and 1 controls opacity. Modern CSS also supports the hex alpha format with 8 characters (e.g., #4F46E580 for 50% opacity).

Popular Color Palettes