How do I convert HEX to RGB?+
Split the 6-character HEX into three pairs and convert each from base-16 to base-10. #ff6a1a converts to R=255, G=106, B=26. This tool converts instantly between all formats.
What is the difference between HSL and HSB/HSV?+
Both use Hue and Saturation, but the third channel differs. HSL Lightness of 100% always gives white regardless of saturation. HSB/HSV Brightness of 100% gives the pure saturated colour. Photoshop uses HSB; CSS uses HSL.
What is OKLCH and why should I use it?+
OKLCH is a perceptually uniform colour space where equal numeric steps produce equal perceived brightness changes. It's ideal for generating colour scales and accessible colour systems. CSS natively supports oklch() in modern browsers.
What is CMYK used for?+
CMYK (Cyan, Magenta, Yellow, Key/Black) is the colour model for print. RGB is additive (light), CMYK is subtractive (ink). When sending designs to print, you need CMYK values - RGB and CMYK don't have a perfect 1:1 mapping.