🎨 Color Converter
Convert between HEX, RGB, HSL, and HSV color formats
Preset Colors
HEX
RGB
HSL
HSV
📖 Color Format Guide
- HEX: Hexadecimal format (#RRGGBB or #RGB) - commonly used in CSS
- RGB: Red, Green, Blue (0-255) - represents color mixing with light
- HSL: Hue (0-360°), Saturation (0-100%), Lightness (0-100%) - intuitive for designers
- HSV: Hue (0-360°), Saturation (0-100%), Value (0-100%) - used in color pickers
About Color Converter
Convert colors between HEX, RGB, HSL, and HSV formats instantly. Professional color conversion tool for web developers and designers with visual color picker, preset colors, and CSS-ready output. All processing happens locally in your browser.
What is Color Format Conversion?
Color format conversion is the process of expressing a color value in different standardized notation systems. Computers represent colors in multiple ways depending on context: HEX (#RRGGBB) is compact and standard for web/CSS, RGB (Red, Green, Blue) describes color mixing with light (0-255), HSL (Hue, Saturation, Lightness) is intuitive for designers (adjust lightness for shades/tints), HSV (Hue, Saturation, Value) is used by color pickers in design software. All formats describe the same color but optimize for different use cases. HEX is hexadecimal notation (0-9, A-F) where each pair represents 0-255 intensity: #FF0000 = pure red (255 red, 0 green, 0 blue). RGB uses decimal notation: rgb(255, 0, 0) = same red, readable for calculations. HSL represents color on a 360° wheel (Hue), with Saturation controlling vividness (0% = grayscale, 100% = pure color), Lightness controlling brightness (50% = pure hue, 0% = black, 100% = white). HSV is similar but Value means brightness of pure hue at 100% saturation. Web development primarily uses HEX or RGB in CSS. Design tools often display HSL/HSV. Conversion between formats is lossy-free - all preserve exact color information.
How to Use This Tool
- Pick Color: Click the color picker button to visually select any color
- Or Enter Value: Type HEX code (#RRGGBB), RGB numbers (0-255), HSL percentages, or HSV percentages
- Real-Time Update: All other formats update instantly - no click needed
- See Preview: Large color preview shows your current selection with name detection
- Copy Format: Click copy button next to any format to copy CSS-ready value
- Try Presets: Click preset color buttons (Red, Green, Blue, etc.) for quick selection
- Adjust Components: Use individual R/G/B, H/S/L, or H/S/V sliders for fine control
- Check CSS Output: View how color renders in CSS with rgba/hsla examples
- No Upload: Everything happens in your browser - colors never sent anywhere
- Works Offline: Use immediately without signup, internet connection not required
Color Formats Explained
- 🎨 HEX (#RRGGBB): Hexadecimal format for web - #FF0000 is pure red, #0000FF is pure blue, #FFFFFF is white. Compact 6 characters (or 3 with shorthand #RGB). Used in CSS, HTML, design tools.
- 🌈 RGB (0-255): Red, Green, Blue channels from 0-255. rgb(255, 0, 0) = red. Additive color mixing (light). Used in CSS, monitors use RGB physically, cameras output RGB.
- ✨ HSL (Hue %, Saturation %, Lightness %): Hue 0-360° on color wheel, Saturation 0-100% (gray to vivid), Lightness 0-100% (black to white). hsl(0, 100%, 50%) = red. Most intuitive for creating color variations.
- 💫 HSV (Hue °, Saturation %, Value %): Similar to HSL but Value represents brightness of pure hue. Used in color pickers. hsv(0, 100%, 100%) = pure red brightness.
Common Color Conversion Use Cases
- Web Development: Convert brand color from design tool (HSL) to CSS HEX/RGB for stylesheets
- Design Systems: Document colors in all formats for consistency across platforms (web, mobile, print)
- Brand Guidelines: Provide colors in HEX (web), RGB (screen), CMYK (print), HSL (variations)
- CSS Styling: Convert color picker selections to CSS-ready rgb()/hsl() for stylesheets
- Accessibility: Use HSL to create darker/lighter versions for contrast-compliant color schemes
- Mobile Development: Convert HEX colors from design to native formats (UIColor, Color)
- Color Matching: Convert hex codes from websites/screenshots to use in own projects
- Animation: Keyframe colors in CSS using HSL variations for smooth color transitions
- Theme Customization: Let users pick HSL colors, convert to HEX for storage/sharing
- Photography: Convert RGB from image editing to HEX for web use
- Data Visualization: Map data values to color ranges using HSL gradients
- API Integration: Convert user color preferences between storage formats
Frequently Asked Questions
What is the difference between HEX and RGB?
HEX and RGB represent the exact same color information but in different notation. HEX (#FF0000) is hexadecimal (base 16), RGB (255, 0, 0) is decimal (base 10). HEX is more compact for CSS, RGB is more readable for calculations. #FF = 255 decimal, #00 = 0 decimal. Both are equally precise - just different representations.
When should I use HSL vs RGB?
Use HSL for intuitive color design - want a lighter version? Increase L value. Want less saturation? Lower S value. HSL is perfect for creating color schemes. Use RGB for precise color matching and when working with screen displays. Most designers prefer HSL, most developers use HEX for CSS.
What is HSV and how differs from HSL?
HSV (Hue, Saturation, Value) is used by many color pickers. The difference: in HSL, 100% L always produces white (pure lightness). In HSV, 100% V means "full brightness of pure hue." HSL has lighter tints, HSV maintains color intensity better. HSL is more intuitive, HSV is what most design software uses.
Can I use shorthand HEX codes like #RGB?
Yes! 3-digit HEX codes double each digit. #F60 expands to #FF6600. Works in CSS and our converter accepts both 3 and 6 digit formats. Useful for brevity in markup, but 6-digit offers no additional color range.
Are RGB values 0-255 or 0-100%?
Standard RGB uses 0-255 decimal range (8-bit per channel). This is what our tool uses and what CSS expects. Some contexts use 0-1 decimal or 0-100% percentages, but 0-255 is the standard. CSS also accepts percentage: rgb(100%, 0%, 0%) = rgb(255, 0, 0).
How do I add transparency/alpha to colors?
Use RGBA for RGB with alpha: rgba(255, 0, 0, 0.5) = 50% transparent red. Use HSLA for HSL: hsla(0, 100%, 50%, 0.7) = 70% opaque red. HEX supports 8-digit format: #FF0000FF = opaque, #FF000080 = 50% transparent (last 2 digits are alpha). Our tool shows CSS formats.
Why do colors look different on my screen?
Display calibration, monitor settings, color profile, and ambient light affect appearance. The color values are accurate - the display varies. Professional work uses color-calibrated monitors. Web colors should account for typical monitor viewing conditions. Our tool shows exact technical color values.
What is color space and why does it matter?
Color space is the mathematical model for representing colors (RGB, HSL, CMYK, etc.). Different spaces represent different color ranges. RGB is for screens (light-based), CMYK is for print (ink-based). Web uses RGB-based formats (HEX, RGB, HSL). Converting between spaces can be imprecise (RGB to CMYK) because each has different color ranges.
Can I convert HEX to CMYK?
Our tool focuses on screen colors (RGB-based). CMYK is for print and uses different color gamuts. You can convert HEX→RGB easily, but RGB→CMYK requires color profile knowledge. Professional design software (Photoshop, Illustrator) handles CMYK conversion with proper color spaces.
How do I create accessible color combinations?
Use this tool to get color HSL values. Create lighter/darker variants by adjusting L (lightness). Check contrast with accessibility tools - WCAG requires 4.5:1 for normal text, 3:1 for large text. HSL makes this easier: decrease L for darker (better contrast), maintain color while improving accessibility.