Stylus vs SCSS vs Less

Comparing the Big Three Preprocessors

SCSS, Less, and Stylus all extend CSS with variables, nesting, and mixins. Here's how they compare.

Syntax Comparison

Feature	SCSS	Less	Stylus
Variable	$x	@x	x =
Braces	Required	Required	Optional
Compiler	Dart	JS	JS
Popularity	Highest	Medium	Lowest

Same Variable, Three Ways

// SCSS
$primary: blue;
// Less
@primary: blue;
// Stylus
primary = blue

Which Should You Pick?

• SCSS — best community, most jobs, safest choice.
• Less — if maintaining legacy/Bootstrap 3 code.
• Stylus — if you love minimal, flexible syntax.

FAQs

Are they interchangeable?

Conceptually yes, but syntax differs. SCSS is the safest default. More in our Stylus section.

Do I even need a preprocessor now?

Modern CSS has variables and nesting, but preprocessors still offer more power.