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agentsure.us vs Duolingo

Two design systems side by side, measured from the live sites — colour, type, shape, depth, components, states and responsive behaviour.

agentsure.us: Agentsure — AI Incident Response & Recovery, retained. · Above the fold
agentsure.us
agentsure.us· read 2026-10-14
Duolingo: Duolingo - The world’s most popular way to learn · Above the fold
Duolingo
duolingo.com· read 2026-11-03

Ground and ink

Each side painted in its own measured canvas, ink, muted and primary roles.

agentsure.us

Heading on canvas

Body copy in the measured muted role.

Primary action
21:1 ink on canvas

Duolingo

Heading on canvas

Body copy in the measured muted role.

Primary action
8.7:1 ink on canvas

Palette

Named roles first, then every colour measured without one.

agentsure.us

  • canvas#FFFFFF
  • ink#000000
  • muted#1A1A1A
  • hairline#E6E6E6
  • primary#005032
  • on-primary#FFFFFF

5 more, no measured role

Duolingo

  • canvas#FFFFFF
  • ink#4B4B4B
  • hairline#3C3C3C
  • primary#0000EE

5 more, no measured role

Type scale

Set at the measured size, weight, tracking and leading. Brand typefaces are not loaded, so the metrics are real and the letterforms are not.

agentsure.us

h1

72px · 500 · shown smaller

display

72px · 400 · shown smaller

h2

48px · 500 · shown smaller

display

48px · 400 · shown smaller

h3

28px · 500

heading

24px · 500

heading

22px · 500

Duolingo

h1

64px · 700 · shown smaller

h2

48px · 700 · shown smaller

heading

32px · 700

body

17px · 400

link

17px · 400

body

17px · 700

button

15px · 700

Corners

Drawn at the measured radii.

agentsure.us

6px

pill

0px

0px

8px

Duolingo

0px

12px

Spacing

One shared scale across both sides, so the bars are directly comparable.

agentsure.us

4
8
12
16
20
24
28
32

Duolingo

12
16
24
32
40
48
64
72

Depth

Shadows cast on each side's own ground.

agentsure.us

No shadows measured.

Duolingo

No shadows measured.

Buttons

Rendered from the measured computed styles.

agentsure.us

primaryprimary-lgoutlineoutline-sm

Duolingo

texttext-sm

The measured values behind the panels above.

agentsure.usDuolingo

At a glance

GroundLightLight
Corners — these differPillSoft
Display size — these differ72px64px
Spacing base — these differ4px12px
Accent colours — these differ46
Type families22
Ink on canvas — these differ21.0:18.7:1
Components — these differ106

Colour roles

primary — these differ#005032#0000EE
link — these differ#0000EE#A5ED6E
canvas#FFFFFF#FFFFFF
ink — these differ#000000#4B4B4B
body — these differ#0D1016#777777
muted#1A1A1A—
hairline — these differ#E6E6E6#3C3C3C
on-primary#FFFFFF—

Full palette

Every colour each extraction kept, including the ones with no measured role.

All colours — these differ#005032#0000EE#E68846#C0392B#C9BBA3#FFFFFF#000000#0D1016#1A1A1A#68655E#E6E6E6#F2E9DA#888888#0000EE#A5ED6E#1CB0F6#100F3E#000437#042C60#FFFFFF#58CC02#4B4B4B#777777#3C3C3C#AFAFAF
Semantic——

Typography

Families — these differInter TightJetBrains Monofeatherduolingo-sans
h1 — these differ72px · 500 · 74.88px · -1.8px · Inter Tight64px · 700 · normal · -1.28px · feather
h2 — these differ48px · 500 · 51.84px · -1.06px · Inter Tight48px · 700 · normal · 0px · feather
display48px · 400 · 51.84px · -1.06px · Inter Tight—
h328px · 500 · 33.6px · -0.5px · Inter Tight—
heading — these differ22px · 500 · 26.84px · -0.26px · Inter Tight32px · 700 · normal · 0px · duolingo-sans
body — these differ15.5px · 400 · 24.8px · 0px · Inter Tight17px · 400 · 24px · 0px · duolingo-sans
quote15.5px · 400 · 23.25px · 0px · Inter Tight—
input14.5px · 400 · 20.3px · 0px · Inter Tight—
button — these differ14px · 500 · 14px · 0px · Inter Tight15px · 700 · 17.25px · 0.8px · uppercase · duolingo-sans
list-item14px · 400 · 21px · 0px · Inter Tight—
nav-link13px · 400 · 20.15px · 0px · Inter Tight—
caption13px · 400 · 20.15px · 0px · JetBrains Mono—
code12.5px · 400 · 21.25px · 0px · JetBrains Mono—
h411px · 500 · 18.7px · 1.54px · uppercase · JetBrains Mono—
link — these differ11px · 400 · 18.7px · 0.44px · JetBrains Mono17px · 400 · 20px · 0px · duolingo-sans
label10.5px · 500 · 16.275px · 1.26px · uppercase · JetBrains Mono—

Shape and rhythm

Radius — these differ0px6px8px9999px0px12px
Spacing — these differ4px8px12px16px20px24px28px32px36px40px48px56px12px16px24px32px40px48px64px72px80px96px100px140px
Border widths — these differ1px1px2px

Depth

Strategycolor-blockingcolor-blocking
Shadows——
Gradients——
Opacity — these differ—0.80
Z-index — these differdropdown 50dropdown 55dropdown 60base 2

Components

Sharednavigationfooterlinknavigationfooterlink
Only here — these differbutton-primarybutton-primary-lgbutton-outlinebutton-outline-smcardcard-lglink-2button-textbutton-text-smlink-sm
Signature——

Interaction states

Read from each site's own stylesheets. An empty side means they were cross-origin and unreadable.

Measured — these differbutton:hovernav:hoverother:hoverinput:focusother:disabledother:hoverother:focuslink:focuslink:hoverbutton:hoverother:disabledinput:focuslink:focus-visiblebutton:focusother:active

Responsive

Breakpoints — these differ375→335px · 1col768→704px · 1col1024→960px · 3col1280→1180px · 3col1440→1180px · 3col375→345px · 5col768→503px · 1col1024→503px · 1col1280→988px · 1col1440→988px · 1col

Themes

Measured on the live site, not derived.

SupportSingle themeSingle theme

How this was measured

Differences here are ours, not the brands'.

Pages read——
Extracted — these differ2026-10-142026-11-03
StylesheetsPartly blockedPartly blocked
Roles unassigned55

Measured by DesignMD from the live sites. Compare two others. Generate a DESIGN.md for your own site.