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OpenTag

B2B · YC Summer 2026

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Automated design study · full homepage

Light, left-aligned type-led product story with soft geometry and image-led proof.

OpenTag · Model Agnostic AI Coworker opens with “Turn Slack threads into finished work” in a left-aligned type-led hero.
Evidence & method · 1 capture note
Source
https://www.tryopentag.com/
Captured
2026-09-08
Extractor
2.5.0
Evidence
hero, middle, closing, mobile
  • Automated interpretation; editorial review is pending.
  • The hero heading was read from semantic heading markup.
  • 7 responsive breakpoint declarations were inspectable.
  • 4 stylesheets were inspectable; 0 cross-origin stylesheets were unavailable to rule inspection.
  • Computed styles describe the captured render; source design tokens and proprietary font files were not copied.

Captured screens

2026-09-08 · source viewport 1600 × 1000

OpenTag hero homepage design evidence. Visible section: Turn Slack threads into finished work
Hero1600 × 1000
OpenTag mid-page homepage design evidence. Visible section: One tag. Eighty models.
Mid-page1600 × 1000
OpenTag closing homepage design evidence. Visible section: The tagging layer shouldn’t belong to a model company.
Closing1600 × 1000
OpenTag mobile homepage design evidence. Visible section: Turn Slack threads into finished work
Mobile390 × 844

System overview

Hero
type-led · left
Surface
light
Density
balanced
Content width
1200px
Confidence
medium
Primary action
Book a demo

Color system

Light surfaces use 8 repeated semantic colors; the primary action carries the strongest interactive emphasis.

Canvas

Page canvas

Dominant rendered page background.
Surface 1

Surface

Repeated container or section fill; relative occurrence score 339.
Surface 2

Surface

Repeated container or section fill; relative occurrence score 43.
Surface 3

Surface

Repeated container or section fill; relative occurrence score 10.
Primary text

Primary text

Observed display foreground with 18.4:1 contrast against the captured canvas.
Secondary text

Secondary text

Observed reading foreground; measured canvas-reference contrast is 4.9:1.
Action

Primary action

Fill used by the dominant first-viewport action.
Border

Border and divider

Most repeated inspectable border color.

Typography

The observed type system assigns Inter Tight to display text; Funnel Display to heading text; Inter to body, body-small, label text.

Metric previews use the observed CSS values. Source font files are not bundled, so unavailable families fall back locally.
display

Turn Slack threads into finished work

Inter Tight · 64px/62.72px · weight 800 · tracking -2.24px · color rgb(20, 20, 20)
heading

FAQ

Funnel Display · 64px/64px · weight 800 · tracking -2.56px · color rgb(20, 20, 20)
body

Every decision your company makes is already written down, scattered across channels nobody…

Inter · 16px/24px · weight 400 · tracking 0px · color rgb(106, 114, 122)
body-small

OpenTag runs on its own machine in the cloud and works where your team operates. Every run is…

Inter · 14px/20px · weight 400 · tracking 0px · color rgb(78, 78, 78)
label

Book a 15-minute intro

Inter · 13px/20px · weight 400 · tracking 0px · color rgb(20, 20, 20)

Spacing & shape

Spacing

Base unit
4px
Section gap
32px
Container
16px
10px8px16px6px12px20px24px32px4px3px

Shape

Soft geometry is the dominant shape voice. Elevation is selectively reinforced with shadow.

Pills
9999px
Containers
12px
Buttons
16px
Media
0px
Inspect borders & shadows · 10
Borders
1px solid rgba(0, 0, 0, 0.059)1px solid rgba(72, 122, 233, 0.180)9px solid rgb(70, 123, 235)1px solid rgba(0, 0, 0, 0.078)1px solid rgba(31, 31, 31, 0.129)
Shadows
rgba(0, 0, 0, 0.08) 0px 2.8px 6.12px 0pxrgba(26, 32, 51, 0.04) 0px 0px 0px 0.7px, rgba(26, 32, 51, 0.12) 0px 4.2px 11.3px -3.5pxrgba(26, 32, 51, 0.04) 0px 0px 0px 0.76px, rgba(26, 32, 51, 0.1) 0px 4.5px 13.6px -4.5pxrgba(0, 0, 0, 0.05) 0px 2.7px 5.5px -2.7pxrgba(0, 0, 0, 0.1) 0px 1px 3px 0px, rgba(0, 0, 0, 0.1) 0px 1px 2px -1px

Component grammar

Token-based examples, not original components. Source fonts may fall back locally.

Hero

Opening proposition

1 observed

Type led, left-aligned opening anchored by “Book a demo”.

Inspect 4 properties
Pattern
type-led
Alignment
left
Heading
Inter Tight · 64px / 800
Media
image-led

Navigation

Global wayfinding

1 observed

Static navigation with 7 visible actions in the desktop opening.

Inspect 7 properties
Text
#4e4e4e
Border
none
Radius
0px
Padding
0px 0px 0px 0px
Type
Inter · 17px / 400
Position
static
Height
17px

Primary action

Conversion

1 observed

“Book a demo” is the strongest first-viewport action by semantic intent and visual contrast.

Book a demo
Inspect 6 properties
Background
rgba(13, 13, 13, 0.078)
Text
#4e4e4e
Border
none
Radius
12px
Padding
8px 16px 8px 16px
Type
Inter · 16px / 400

Media frame

Visual proof

43 observed

43 style-matched media elements were found among 73 rendered candidates; contain fitting and 0px are the most repeated treatments.

Inspect 4 properties
Fit
contain, fill, cover
Ratios
1.00, 5.01, 6.00, 4.35, 3.31
Radius
0px
Candidate pool
73

Footer

Closing navigation

1 observed

21 visible actions close the page on a #b9e3fd surface.

Inspect 7 properties
Background
#b9e3fd
Text
#141414
Border
none
Radius
0px
Padding
0px 0px 0px 0px
Type
Inter · 16px / 400
Links
21

Layout & narrative

The homepage continues through 11 observed sections, moving from the opening proposition into Four parts, one coworker, Your next hire has agency, Your knowledge stops walking out the door.

Structure
Editorial product narrative
Hero pattern
Type-led hero: display copy is the primary graphic
Grid
1 column
Closing
Index footer with 21 actions
Full section sequence · 11
  1. Four parts, one coworker
  2. Your next hire has agency
  3. Your knowledge stops walking out the door
  4. One tag. Eighty models.
  5. FAQ
  6. The tagging layer shouldn’t belong to a model company.
  7. Built for a whole team, not one user
  8. Cloud agents that live in your team chat
  9. Automations
  10. A wiki that organizes itself
  11. It asks for the work

Imagery, motion & responsive

Imagery

Image led media acts as the page’s primary visual proof rather than decoration.

contain fitting · square-edged frames
Inspect imagery inventory
Composition
Multiple visual elements share the first viewport.
Inventory
73 images/canvas elements and 0 videos across the analyzed homepage.

Motion

4 declared keyframes and 3 active animations were inspectable at capture; observed timing uses 0.15s, 0.2s, 0.9s.

No reduced-motion rule detected
Inspect motion inventory
Libraries
CSS / browser-native or bundled source not identifiable
Keyframes
caret-blink, wiki-ripple, team-ripple, spin
Durations
0.15s, 0.2s, 0.9s, 0.3s, 0.5s, 0.7s
Easings
ease, ease-out, ease, ease, cubic-bezier(0.22, 1, 0.36, 1), step-end, linear
States
hover, focus, transition-all, active

Mobile

Desktop navigation reduces from 7 visible actions to 0. Hero alignment changes from left to center; mobile heading size is 40px.

1 multi-column content region remains on mobile.
Inspect responsive test
Viewport
390 × 844
Overflow
No horizontal overflow detected

Reproduction guidance

Do

  • Pair the observed #ffffff canvas with #141414 primary copy before adding secondary surfaces.
  • Use Inter Tight at 64px/62.72px, weight 800, for the primary display moment.
  • Reserve the strongest first-viewport contrast for “Book a demo” within the left-aligned type-led hero.
  • Image led media acts as the page’s primary visual proof rather than decoration.

Don’t

  • Do not mix in arbitrary radii; 9999px is the repeated treatment on pills.
  • Do not reuse the rgba(13, 13, 13, 0.078) action color across decorative elements; keep its interactive emphasis selective.
  • Do not introduce extra type families beyond Inter Tight and Funnel Display and Inter.
  • Do not copy transition-all declarations; keep only purposeful transform or opacity motion.