Question 1

What is the difference between HEX, RGB, and HSL?

Accepted Answer

HEX is a six-digit hexadecimal representation (e.g., #FF5733). RGB defines color using Red, Green, Blue values from 0-255 (e.g., rgb(255, 87, 51)). HSL uses Hue (0-360°), Saturation (0-100%), and Lightness (0-100%) (e.g., hsl(11, 100%, 60%)). All three can represent the same colors but in different ways.

Question 2

Which color format should I use in CSS?

Accepted Answer

HEX is the most common and compact. RGB is intuitive when you need to adjust individual color channels. HSL is best when you want to create color variations by adjusting lightness or saturation. Modern CSS supports all three formats equally.

Question 3

How do I convert HEX to RGB?

Accepted Answer

Split the HEX code into pairs (e.g., #FF5733 → FF, 57, 33), then convert each pair from hexadecimal to decimal: FF=255, 57=87, 33=51. The result is rgb(255, 87, 51). This tool does this conversion automatically.

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