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A brand identity and technical documentation page for Purple Alternative Surface, a materials-science company, featuring vertically stacked logo, wordmark, and type treatments alongside product information.
Summary
A two-panel brand guidelines document for an industrial/materials-science company, pairing a vertical logo-and-wordmark specification (left) with a letter-addressed communication template (right) on contrasting beige and white backgrounds.
Visual description
Black background frame. Left panel: cream/beige ground. Black and lime-green logo marks stacked vertically: "PURPLE" in black sans-serif all-caps, a downward arrow symbol in green, and "SURFACE" in green all-caps below an uppercase monolithic "PURPLE ALTERNATIVE SURFACE" block. Small French copy below the logo. Right panel: off-white ground with lime-green header band. Formal letter template with "PURPLE ALTERNATIVE SURFACE" wordmark, address in Strasbourg, and body copy in serif or small sans-serif, signed "Pierre Quinonero / Co-fondateur". Footer contains technical codes (NTVA, SIRET, IBAN). The layout enforces a rigid two-column structure; the lime-green acts as a bold punctuation mark against the monochromatic base.
Key takeaway
Lime-green accent as a single, high-contrast brand identifier applied sparingly (logo mark, header strip) rather than across full layouts. Vertical logo stacking works for tight column widths and formal documents. Including the official letter template as part of guidelines ensures brand consistency in external communication. The type system relies entirely on a single sans-serif face in multiple weights and sizes, avoiding decoration.
Reuse notes
Excellent template for technical, industrial, or materials/science-adjacent brands. The formal letter layout signals seriousness and regulatory rigor. Two-column layout translates well to print brochures, business cards, and email signatures. Green-on-black and black-on-cream offer maximum legibility and photocopy safety. Best for B2B and companies that prioritize clarity and precision over visual warmth.
