Design System Inspiration of Adyen

1. Visual Theme & Atmosphere

Adyen is a payments platform for businesses — online, in store and in apps — built on its own infrastructure. Its about page says it was "Founded in 2006 in Amsterdam, the Netherlands", signed Groupon as its first global enterprise merchant in 2009, and has added risk tools, terminals, issuing and platform payments since. Its investor-relations calendar holds its shareholder events in Amsterdam.

The site is dark and precise: deep navy #001222 heroes, white sections, and one bright green #00d16a for the actions. Surfaces are graded from the navy itself — a 4.2% tint, a 7.4% tint, 17.8%, 48%, 60.7% — so everything reads as one ink at different strengths. Type is Adyen's own Adyen and Adyen Mono.

What makes it worth reading:

• One ink, many strengths. --main-* roles are color-mix(in srgb, #001222 N%, transparent): light-primary 4.2%, light-secondary 7.4%, elevated 17.8%, contrast-secondary 48%, contrast-primary 60.7%, strong 81.2%.
• Hover as an overlay. The green button keeps its colour; a ::before layer of navy at 7.4% fades in over it.
• A thin brand layer over Tailwind. Tailwind v4 supplies the machinery (--tw-*, the --text-* scale, containers, easings); Adyen's own tokens are the colours, surfaces, radius and grid.

Primary tasks

• Learn about payments, platforms and pricing.
• Contact sales; sign in to the Customer Area.

2. Color Palette & Roles

Measured with getComputedStyle on adyen.com: 154 root custom properties. About 65–70 are Adyen's (--color-* 35, --main-* 14, --spacing-* 17, radius, grid, overlays, motion); the rest are Tailwind v4 defaults — --tw-*, the --text-* type scale, font weights, containers — and are excluded.

Brand and ink

• Brand (#00d16a) — --color-green, --active-primary; the call-to-action fill.
• Primary (#001222) — --color-black, --main-solid; the navy of heroes and text.
• Foreground (#001222) — text on light sections (423 elements; white text on dark ones).
• Canvas (#ffffff) — --main-surface.

Navy ramp

--color-black-2800 #1a2b3b · -2500 #2f3e4d · -1800 #636f7a (slate borders) · -1400 #848d96 · -500 #d1d5d8 · -200 #ecedef · --color-grey #f4f5f6.

Sand and accents

Sand #e6e4e2 · Sand light #f6f5f4 · Blue #0063d7 · Purple #cb96ff · Yellow #ffc200 · Orange #ff9e11 · Red #c72727.

3. Typography Rules

Font family

Adyen (Adyen, Helvetica, Arial, sans-serif) on body, headings and buttons, and Adyen Mono (--font-mono) — both variable (400–700), loaded (document.fonts), self-hosted at adyen.com/main_nuxt/Adyen-Variable.*.woff2 and Adyen-Mono-Variable.*.woff2.

Scale

The --text-* sizes on the page are Tailwind v4's defaults and are not recorded as Adyen's.

4. Component Stylings

Measured on the home page after declining cookies (OneTrust), focus read under a real Tab key, and a hover counted only when :hover matched. The comparison includes ::before and ::after.

• Call to action — Contact us: #00d16a, navy #001222 label, 6px radius. Hover fades in a ::before overlay of navy at 7.4% (--main-light-secondary) — the button's own values do not change. Focus: outline: 1px solid #ffffff.
• Header link — Pricing: white on the dark hero. Hover changes nothing; focus draws the same 1px white outline.

Radius

--base-radius 6px (--radius-m) · --radius-l 24px (calc(6px*4)).

5. Layout Principles

• --grid-*: 12 columns, 1280px maximum.
• Spacing in steps of 1.5rem (--spacing-s 1.5rem, -m ×1.5, -l ×2, -xl ×3).
• Dark hero, then light sections.

6. Depth & Elevation

Elevation is ink density rather than shadow: --main-elevated is navy at 17.8%. Overlays use --overlay-light #0000003d and --overlay-medium #00000072.

7. Do's and Don'ts

Do

• Use green #00d16a for actions with a navy #001222 label.
• Build surfaces as navy at fixed strengths (4.2%, 7.4%, 17.8% …).
• Draw hover as a 7.4% navy overlay over the fill.

Don't

• Don't count Tailwind's --text-*, --tw-* or container tokens as Adyen's.
• Don't use pure black; the ink is #001222.
• Don't change the label on green; the live button uses navy #001222.

8. Responsive Behavior

Not measured. Desktop 1440×1000 only.

9. Agent Prompt Guide

Quick Color Reference

#00d16a green · #001222 navy · #1a2b3b / #2f3e4d navy steps · #636f7a slate · #f4f5f6 grey · #e6e4e2 sand · #ffffff white

Example Component Prompts

• "A green #00d16a button with a navy #001222 Adyen label, 6px radius; hover fades in a navy 7.4% overlay; focus a 1px white outline."
• "A navy #001222 hero with white Adyen type and a panel at navy 17.8%."

10. Voice & Tone

Not assessed as authored voice.

11. Brand Narrative

Adyen describes itself as a platform built to help businesses grow faster, and its site has an economy to match: one navy, one green, and surfaces made from the navy at measured strengths. Its own typefaces carry the brand. Behind the product sits a separate design system, Bento, whose tokens Adyen publishes on npm.

12. Principles

• One ink. Surfaces are the navy at different strengths.
• Green means go. The only bright colour is the action.
• Quiet states. A faint overlay, a thin white ring.

13. Personas

Not researched. No persona claim is made from a UI capture.

14. States

Hover: the green button gains a 7.4% navy overlay; the header link does not change. Focus: a 1px white outline on both. The Products mega-menu trigger could not be measured.

15. Motion & Easing

Adyen-authored easing tokens sit beside Tailwind's (--ease-spring, --anticipate, --in_out_*). Not measured on controls.

Tier 1 sources: https://www.adyen.com/ (live homepage — 154 root custom properties read via getComputedStyle, Tailwind v4 defaults excluded; Adyen and Adyen Mono loaded; two components measured at rest, hover, pressed and focus including pseudo-elements, after declining cookies, captured 2026-09-26); https://www.adyen.com/zz-this-does-not-exist (nonsense-path control — HTTP 404, read 2026-09-26); https://www.adyen.com/about (About Adyen — "Founded in 2006 in Amsterdam, the Netherlands", read 2026-09-26); https://www.adyen.com/investor-relations (Investor relations — shareholder events in Amsterdam, read 2026-09-26); https://www.npmjs.com/package/@adyen/bento-design-tokens (Bento design tokens — maintainers at adyen.com, repository Adyen/bento, read 2026-09-26)