# DiffLab Brand Kit > The brand and style guide for Differential AI Lab ("DiffLab") — the tilted amber ∂ mark, the navy/paper/slate/amber palette with its topographic elevation ramp, Space Grotesk/Inter/JetBrains Mono typography, the internal-app layout standard, and the brand voice. Marketing surfaces are dark-first; internal apps are light-first. Served at https://branding.difflab.ai; the marketing site is https://difflab.ai. ## Guides - [Overview](https://branding.difflab.ai/md/index.md): The brand at a glance — taglines, the differential metaphor, the four pillars, theme model, and contact details. - [Logo](https://branding.difflab.ai/md/logo.md): The ∂ mark with its exact SVG path and 9° tilt transform, all approved variants, clearspace, minimum sizes, usage rules, and the spinner. - [Color](https://branding.difflab.ai/md/color.md): Full token tables — the seven core colors, the eight-step topo ramp, semantic light/dark tokens, app status pairs, and pairing rules. - [Typography](https://branding.difflab.ai/md/typography.md): Space Grotesk / Inter / JetBrains Mono, the eyebrow motif, the six-step tokenized scale, app conventions, and font loading. - [Layout](https://branding.difflab.ai/md/layout.md): The canonical internal-app shell — 240px gradient sidebar, 56px header, full numeric spec, and component recipes (Card, Button, StatusBadge, SectionHeader). - [Voice](https://branding.difflab.ai/md/voice.md): Taglines, the differential metaphor, tone (premium, precise, calm), do/don't examples, and copy-ready boilerplate. - [Downloads](https://branding.difflab.ai/md/downloads.md): Absolute URLs for every SVG and PNG logo asset, the design tokens, and usage terms for partners and press. ## Machine-readable - [tokens.json](https://branding.difflab.ai/tokens/tokens.json): W3C-style design token source — color, type, radii, layout, and motion values. - [tokens.css](https://branding.difflab.ai/tokens/tokens.css): The same tokens as ready-made CSS custom properties (`--dl-*`). - [llms-full.txt](https://branding.difflab.ai/llms-full.txt): The complete guide concatenated into one file for a single fetch.