Advanced Color Converter
Pick colors, convert formats, and explore color harmonies with our advanced 2D gradient picker
Cerulean Blue
Color Picker
Color Formats
Color Harmonies
Color Palette
Gradient Preview
Enter Color Code
About Color Tools
2D Gradient Picker
Our advanced 2D gradient picker allows you to select any color visually. The vertical axis controls lightness (top to bottom: dark to light) and the horizontal axis controls saturation (left to right: desaturated to full color).
Color Harmonies
Color harmonies are pleasing color combinations based on geometric relationships on the color wheel. We provide 5 essential harmonies:
- Complementary: Colors opposite each other
- Analogous: Colors next to each other
- Triadic: Three evenly spaced colors
- Monochromatic: Different shades of the same hue
- Split Complementary: Base color plus two adjacent to its complement
Color Formats Explained
- HEX: 6-digit code starting with # (e.g., #3498db)
- RGB: Red, Green, Blue values (0-255 each)
- RGBA: RGB with Alpha (opacity) channel
- HSL: Hue (0-360°), Saturation (0-100%), Lightness (0-100%)
- HSLA: HSL with Alpha channel
- CMYK: Cyan, Magenta, Yellow, Black (0-100% each)
Best Practices
- Use HEX for web development
- Use RGB for screen design
- Use CMYK for print materials
- Use HSL for color manipulation
- Test contrast ratios for accessibility
For web accessibility, ensure text has a minimum contrast ratio of 4.5:1 against its background. Click any color harmony to instantly see how it pairs with your selected color.
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Color Converter Guide
Convert colors between HEX, RGB, HSL, HSV, CMYK, and other common digital color formats. Use the picker or enter a known value to compare the same color across web and design workflows.
Which format should you use?
HEX is common in CSS, RGB is useful for screens, HSL helps describe hue and saturation, and CMYK is used for many print workflows. A screen color may not reproduce exactly on paper.
Check display differences
Brightness, calibration, color profiles, and the viewing device affect appearance. Treat the converted values as a technical reference and preview the color in its final design context.