en.duolingo.com1
Colors
Spacing
xs
4px
sm
8px
md
16px
lg
24px
xl
40px
gutter
16px
margin
24px
Rounded
none0px
sm4px
md8px
lg16px
xl24px
full9999px
Shadows
sm
0 1px 2px 0 rgba(0,0,0,0.06)
md
0 2px 8px 0 rgba(0,0,0,0.08)
lg
0 4px 16px 0 rgba(0,0,0,0.10)
xl
0 8px 32px 0 rgba(0,0,0,0.12)
Font
duolingo-sans, sans-serif
Aa Bb Cc 0123
ABCDEFGHIJKLMNOPQRSTUVWXYZ · abcdefghijklmnopqrstuvwxyz
Heading
Headline Displayduolingo-sans, sans-serif · 2.5rem · 700
Display headline
Headline LGduolingo-sans, sans-serif · 1.75rem · 700
The quick brown fox
Headline MDduolingo-sans, sans-serif · 1.5rem · 700
Design systems at scale
Headline SMduolingo-sans, sans-serif · 1.25rem · 700
Color, type, and spacing
Text
Body LGduolingo-sans, sans-serif · 1.25rem · 500
The quick brown fox jumps over the lazy dog. Lead paragraph copy for marketing pages.
Body MDduolingo-sans, sans-serif · 1.0625rem · 500
The quick brown fox jumps over the lazy dog. Standard body copy throughout the application.
Body SMduolingo-sans, sans-serif · 1rem · 500
Supporting text, captions, and metadata appear at this size.
Label LGduolingo-sans, sans-serif · 1.5rem · 700
Button label · Primary action
Label MDduolingo-sans, sans-serif · 1rem · 700
Form label · Required field
Label SMduolingo-sans, sans-serif · 0.875rem · 700
Badge · Tag · Micro-copy