How Color Conversion (HEX, RGB, HSL) Works and When to Use It
Convert between HEX, RGB, and HSL. When developers use a color converter for CSS and design.
How it works
The tool accepts a color in one format (HEX, e.g. #ff5733; RGB, e.g. rgb(255,87,51); or HSL, e.g. hsl(9, 100%, 60%)) and computes the other two. HEX is hex digits for red, green, and blue; RGB is 0–255 per channel; HSL is hue (0–360), saturation and lightness (0–100%). Conversion is exact so you can paste values into CSS, design tools, or scripts.
When developers use it
Developers use it when matching design specs (often in HEX) to CSS (which supports HEX, RGB, HSL), when building themes or color utilities, when converting between design tool output and code, or when debugging why a color looks different across formats or tools.