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resolutai.com vs Substack

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

resolutai.com: Accounts Receivable Automation for Service Firms | Resolut · Above the fold
resolutai.com
resolutai.com· read 2026-10-14
Substack: Substack · Above the fold
Substack
substack.com· read 2026-11-03

Worth knowing

  • Interaction states are missing on at least one side — that site's stylesheets were cross-origin and could not be read.

Ground and ink

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

resolutai.com

Heading on canvas

Body copy in the measured muted role.

Primary action
18.4:1 ink on canvas

Substack

Heading on canvas

Body copy in the measured muted role.

Primary action
18:1 ink on canvas

Palette

Named roles first, then every colour measured without one.

resolutai.com

  • canvas#0E0F11
  • surface#1D1D20
  • ink#FAFAFA
  • hairline#27272A
  • primary#C5FF3D

5 more, no measured role

Substack

  • canvas#161718
  • surface#FFFFFF
  • ink#FFFFFF
  • muted#808080
  • hairline#000000
  • primary#FF6719
  • on-primary#222222

7 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.

resolutai.com

h1

60px · 500 · shown smaller

h2

48px · 500 · shown smaller

display

48px · 500 · shown smaller

h1

48px · 500 · shown smaller

display

48px · 500 · shown smaller

heading

36px · 500

heading

36px · 500

Substack

h1

55px · 400 · shown smaller

heading

38px · 400

h3

32px · 500

h3

32px · 400

h3

24px · 700

h4

24px · 500

h4

24px · 400

Corners

Drawn at the measured radii.

resolutai.com

16px

0px

12px

pill

pill

24px

Substack

0px

8px

pill

12px

4px

Spacing

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

resolutai.com

4
8
12
16
20
24
32
40

Substack

4
8
12
16
20
24
28
32

Depth

Shadows cast on each side's own ground.

resolutai.com

sm

md

lg

xl

Substack

sm

md

lg

xl

Buttons

Rendered from the measured computed styles.

resolutai.com

primarytextoutlineprimary-sm

Substack

primarysecondaryicontext

The measured values behind the panels above.

resolutai.comSubstack

At a glance

GroundDarkDark
CornersPillPill
Display size — these differ60px55px
Spacing base4px4px
Accent colours77
Type families — these differ38
Ink on canvas — these differ18.4:118.0:1
Components1212

Colour roles

primary — these differ#C5FF3D#FF6719
accent#1F2937—
link—#B37767
canvas — these differ#0E0F11#161718
surface — these differ#1D1D20#FFFFFF
ink — these differ#FAFAFA#FFFFFF
body — these differ#A1A1AA#EEEEEE
muted—#808080
hairline — these differ#27272A#000000
on-primary—#222222

Full palette

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

All colours — these differ#C5FF3D#1F2937#1E3A8A#14532D#7F1D1D#0F766E#0E0F11#1D1D20#FAFAFA#A1A1AA#27272A#000000#EAB308#FF6719#B37767#2A1A1E#342831#2F6D5D#3A261C#8AE1A2#774134#161718#FFFFFF#EEEEEE#808080#777777#222222#000000#363737
Semantic — these differwarning #EAB308—

Typography

Families — these differPoppinssentientInter Invoicesystem-uiSF Pro DisplayCahuengaArialSF Compactmonospaceui-monospace-apple-system-ui-serif
h248px · 500 · 52.8px · -1.2px · sentient—
display48px · 500 · 60px · -1.2px · sentient—
h1 — these differ48px · 500 · 50.4px · -1.2px · sentient55px · 400 · 68.2px · -0.23px · Cahuenga
h4—24px · 500 · 30px · 0px · Cahuenga
button — these differ18px · 500 · 28px · 0px · Poppins15px · 600 · 20px · 0px · system-ui
heading — these differ18px · 600 · 28px · 0px · Poppins18.72px · 700 · 24px · -0.23px · system-ui
h3 — these differ18px · 600 · 24.75px · 0px · Poppins24px · 700 · 28px · 0px · SF Pro Display
quote — these differ16px · 400 · 26px · 0px · Poppins15px · 400 · 20px · 0px · system-ui
nav-link—15px · 400 · 20px · -0.23px · system-ui
input—15px · 400 · 20px · 0px · system-ui
code—15px · 400 · 20px · 0px · monospace
body — these differ14px · 500 · 20px · 0px · Poppins13px · 400 · 17px · 0px · system-ui
link — these differ14px · 500 · 20px · 0px · Poppins19px · 400 · normal · 0px · system-ui
label14px · 400 · 20px · 0px · Poppins—
caption — these differ12px · 400 · 16px · 0px · Poppins11px · 500 · 20px · 0.2px · uppercase · SF Compact
list-item — these differ12px · 400 · 16px · 0px · Poppins19px · 400 · normal · -0.23px · SF Pro Display
table-header12px · 500 · 16px · 0.3px · uppercase · Poppins—

Shape and rhythm

Radius — these differ0px8px12px16px24px9999px0px4px8px12px9999px
Spacing — these differ4px8px12px16px20px24px32px40px48px64px80px176px4px8px12px16px20px24px28px32px40px48px80px120px
Border widths — these differ1px2px1px

Depth

Strategy — these differlayered-microprogressive
Shadows — these differrgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, oklab(0 0 0 / 0.5) 0px 25px 50px -12pxrgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, oklab(0 0 0 / 0.3) 0px 20px 25px -5px, oklab(0 0 0 / 0.3) 0px 8px 10px -6pxrgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, oklab(0 0 0 / 0.4) 0px 25px 50px -12pxrgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0) 0px 0px 0px 0px, rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.1) 0px 4px 6px -4pxrgba(255, 255, 255, 0.2) 0px 1px 0px 0px inset, rgba(0, 0, 0, 0.1) 0px -1px 0px 0px insetrgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2pxrgba(0, 0, 0, 0.05) 0px 1px 2px 0pxrgba(0, 0, 0, 0.2) 0px 0px 12px 0px
Gradients — these differhero: linear-gradient(oklab(0.16817 -0.00042557 -0.0044522 / 0.2) 0%, oklab(0.16817 -0.00042557 -0.0044522 / 0.4) 50%, rgb(14, 15, 17) 100%)section: linear-gradient(in oklab, rgb(29, 29, 32) 0%, rgb(14, 15, 17) 100%)section: linear-gradient(rgba(41, 44, 70, 0.75), rgba(41, 44, 70, 0.75)), nonesection: linear-gradient(rgba(87, 78, 50, 0.75), rgba(87, 78, 50, 0.75)), nonesection: linear-gradient(to right, rgb(22, 23, 24) 16px, oklch(0.203939 0.00252193 248.11 / 0))section: linear-gradient(rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0) 50%, rgb(0, 0, 0) 100%)section: linear-gradient(rgba(76, 74, 73, 0.75), rgba(76, 74, 73, 0.75)), nonesection: linear-gradient(rgba(72, 72, 72, 0.75), rgba(72, 72, 72, 0.75)), nonesection: linear-gradient(oklch(0.243142 0.027467 333.61 / 0) 0%, oklch(0.243142 0.027467 333.61) 25%)section: linear-gradient(rgba(77, 77, 77, 0.75), rgba(77, 77, 77, 0.75)), nonesection: linear-gradient(oklch(0.240843 0.0254423 4.81479 / 0) 0%, oklch(0.240843 0.0254423 4.81479) 25%)section: linear-gradient(rgb(47, 109, 93), rgb(47, 109, 93)), nonesection: linear-gradient(oklch(0.203939 0.00252193 248.11 / 0) 0%, oklch(0.203939 0.00252193 248.11) 25%)
Opacity — these differ0.600.300.500.600.950.92
Z-index — these differbase 1base 2dropdown 30dropdown 50toast 1000002base 1base 2dropdown 10dropdown 11

Components

Sharedbutton-primarybutton-textbutton-text-smcardcard-smnavigationlinklink-2button-primarybutton-textbutton-text-smcardcard-smnavigationlinklink-2
Only here — these differbutton-outlinebutton-primary-smbutton-outline-2footerbutton-secondarybutton-iconnavigation-smcard-featured
Signature——

Interaction states

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

Measured — these differother:hovercard:hoverother:focusother:focus-visibleother:disabledlink:hover—

Responsive

Breakpoints — these differ375→259px · 2col768→612px · 3col1024→683px · 4col1280→853px · 4col1440→1280px · 4col375→225px768→768px1024→1024px1280→1280px1440→1440px

Themes

Measured on the live site, not derived.

SupportSingle themeSingle theme

How this was measured

Differences here are ours, not the brands'.

Pages read66
Extracted — these differ2026-10-142026-11-03
StylesheetsPartly blockedPartly blocked
Roles unassigned — these differ57

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