What is HEX color format?
HEX (Hexadecimal) is a six-digit representation of a color. It combines Red, Green, and Blue values (00 to FF) into a single string starting with #, commonly used in web design.
What is RGB?
RGB stands for Red, Green, and Blue. It uses three numbers between 0 and 255 to define a color by mixing these primary light sources. It's the standard for screen displays.
What is HSL?
HSL stands for Hue, Saturation, and Lightness. It's often more intuitive for humans to adjust colors using HSL than RGB or HEX, as it separates color (hue) from intensity (saturation) and brightness (lightness).
What is CMYK?
CMYK (Cyan, Magenta, Yellow, Key/Black) is a subtractive color model used in printing. Screens use RGB (additive).
Why do colors look different on print?
Screens emit light (RGB), while paper reflects it (CMYK). Some RGB colors are too bright to be reproduced exactly in print.
How many colors can HEX represent?
Standard 6-digit HEX can represent over 16.7 million distinct colors.
Can I use CSS names like red?
Yes, browsers support 140 named colors. This tool focuses on numeric formats for precision.
What is the alpha channel?
The alpha channel represents transparency. In CSS, you use RGBA or HSLA, where the A is a value from 0 (transparent) to 1 (opaque).
Is this tool offline-capable?
Yes, once loaded, all conversions happen instantly in your browser without needing an internet connection.
Do I need to sign up?
No, this Color Converter is completely free and requires no registration.