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Arcadia. Deep evergreen authority on warm cream paper, one mint LED accent and pale violet data orbs suspended in soft morning light.

  • SaaS
  • Light theme
  • 13 colors
  • 2 typefaces

Arcadia is a clean-energy observatory rendered in warm light: an off-white cream canvas with deep forest-green authority, one electric-mint accent that switches actions on like an LED, and violet used sparingly for decorative data-orb highlights. The system feels measured and considered — DM Sans at restrained weights, generous 24-40px breathing room, and a 16px radius that rounds corners enough to feel modern but not playful. Hero sections dissolve into ultra-soft sage-to-cream gradients, and product surfaces are flat white with thin sage borders rather than shadowed cards. Decorative moments — floating orb networks, isometric energy illustrations, bar charts — carry the visual interest, while the interface itself stays quiet, editorial, and high-trust.

Screenshot of Arcadia
Captured from arcadia.com on October 11, 2026

Arcadia design system

Arcadia

Brand1

  • Primary brand — announcement bar, nav strip, primary CTA fill, section borders. The deep evergreen reads as institutional and environmental at once: it is the only saturated color the interface wears as a uniform, giving every page an authoritative dark-green header band

Accent3

  • Accent / secondary action — vivid electric-mint button fill, eyebrow label text, decorative highlights. Against the forest-green chrome, mint reads as a switched-on LED; use it only where the UI needs to feel powered or selected

  • Decorative data accent — floating sphere fills, chart highlights, illustrated node markers. Violet is the only non-green chromatic and appears only on ornamental 3D orbs and chart accents, never on controls

  • Mid-stop of hero gradient — pale lavender bridging sage to cream

Neutrals9

  • Maximum-contrast heading color — used for the largest display headlines where pure black is needed for presence

  • Body text and high-contrast headings — a near-black with the faintest green cast that ties the text to the brand forest

  • Dark UI text, footer copy, dense secondary lines

  • Secondary body text, muted labels, card sub-copy. Cool gray-green that sits one step down from Bark

  • Tertiary text, helper copy, disabled link states

  • Hairline borders and dividers — card outlines, rule lines, table separators. The desaturated sage reads as an extension of the brand greens without competing with them

  • Lighter border for inputs and subtle separators

  • Canvas / soft surface — primary page background on hero and section bands. Slightly warm so the page never reads as sterile white

  • Card and elevated surface — product cards, dashboard mockups, nav bar. Stacked on Cream Paper to create a one-step surface lift without shadows

Try a pairing

Pick any two colors from the palette to check whether text stays readable on top.

Aa

Sheet White on Canopy

11.18 : 1 contrast

Background
Text
  • Body textPasses AA 4.5
  • Large textPasses AA 3
  • StrictPasses AAA 7

More DESIGN.md files. Same web, different personalities.