Controls transparency - 0% is fully transparent, 100% is fully opaque
Color Tools
Color Preview & Formats
Solid (100%)
With Opacity (100%)
Color Harmony
Complementary colors are opposite each other on the color wheel, creating high contrast and vibrant looks. Perfect for making elements stand out.
Color Wheel
Click on the wheel to change hue
Saved Colors
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Key Security Terms
Understand the essential concepts behind this tool
Color Theory
Principles and guidelines for combining colors to create visually harmonious and effective designs.
Color Accessibility (WCAG)
Design principles ensuring color usage is perceivable by people with visual impairments, including color blindness.
Hexadecimal (Base-16)
A numbering system using 16 symbols (0-9, A-F) commonly used in computing for compact binary representation.
Typography
The art and technique of arranging type to make written language legible, readable, and visually appealing.
Frequently Asked Questions
Common questions about the Color Picker & Converter
Our color picker supports all major color formats: HEX (#RRGGBB), RGB (red, green, blue), RGBA (with alpha/opacity), HSL (hue, saturation, lightness), HSLA, HSV (hue, saturation, value), CMYK (cyan, magenta, yellow, black), and HWB (hue, whiteness, blackness). You can instantly convert between any of these formats.
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ℹ️ Disclaimer
This tool is provided for informational and educational purposes only. All processing happens entirely in your browser - no data is sent to or stored on our servers. While we strive for accuracy, we make no warranties about the completeness or reliability of results. Use at your own discretion.