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BaseHub. Midnight canvas, molten filament.

  • Developer tools
  • Dark theme
  • 14 colors
  • 2 typefaces

BaseHub speaks a near-monochrome dialect: a near-black canvas, a grayscale text scale, and one molten orange accent that does the work of a full color system. The product is the hero — large borderless screenshots of the editor float in the dark rather than floating illustrations, and a thin vertical orange rule on the far left anchors every section like a margin note. Typography stays compressed and quiet: Geist at semibold for headlines, regular for body, with tight negative tracking at every size to make words feel machined rather than typeset. Surfaces are flat and hairline-bordered rather than shadowed, and a 12px card radius plus 4px button radius keep the geometry sharp and developer-tool familiar. The only warm note is the orange — used for CTAs, section tags, the glowing product frame, and hand-drawn annotations — and a cool blue (#55c2ff) reserved strictly for informational badges.

Screenshot of BaseHub
Captured from basehub.com on October 11, 2026

BaseHub design system

BaseHub

Brand2

  • Primary CTAs, section tags, active nav, the glowing product frame, hand-drawn annotations, and the single decorative rule on the left margin — the one warm voice in an otherwise cold palette

  • Gradient stop paired with Ember Orange for the rare gradient surface (e.g. template card accent bars)

Neutrals11

  • Deepest surface for footer and image fill where absolute black is needed

  • Page canvas — the dominant page background

  • Quote/testimonial card surface, link button background, the most common elevated surface

  • Card surface — one step above canvas, used for testimonial cards and elevated blocks

  • High-contrast neutral action fill for primary buttons on light surfaces.

  • Card borders, subtle frame edges, input field borders

  • Hairline dividers, code block borders, subtle list separators

  • Muted metadata text, timestamp labels, tertiary icon strokes

  • Medium-contrast borders, control outlines, and structural separators.

  • Secondary text and lighter icon strokes on dark surfaces

  • Neutral form states, badge text, and quiet UI feedback where color should stay understated. Do not promote it to the primary CTA color

semantic1

  • Blue state accent for badges, validation surfaces, and short status labels.

Try a pairing

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

Aa

Black on Ember Orange

7.40 : 1 contrast

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

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