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Plate VII
Sumeru Chatterjee.

Plates / VII · Brand & site assets

Plate VII · App. 2026 Edition Bone & Indigo Site identity & assets

Brand & site assets.

The marks, palette and metadata that travel with the monograph — favicons, social cards, type and color tokens.

§ 01The mark

A single letter, a single dot.

Favicon 512
Master mark512 × 512 · PNG
Download
Apple touch icon
Apple touch180 × 180 · iOS
Download
Favicon 32
Favicon32 × 32 · PNG
Download
Favicon SVG
VectorSVG · scales
Download

§ 02The social card

The page, as a thumbnail.

Open Graph preview card for sumchattering.com

OG / Twitter card · 1200 × 630 · PNG Embedded across all pages via <meta property="og:image">

§ 03The palette

Bone & Indigo.

Bone paper
HEX#ECEAE0
VAR--paper
USELight ground
Cold ink
HEX#0A0B0E
VAR--ink
USEBody text
Indigo accent
HEX#222459
OKLCH.34 .13 270
USEEm & links
Night paper
HEX#0C0D10
VAR--paper (dark)
USEDark ground
Warm ivory
HEX#E4E3D8
VAR--ink (dark)
USEDark text
Slate muted
HEX#888A93
VAR--muted
USECaptions
Hairline
HEX#25262C
VAR--rule
USERules
Bone / Night pair
L#ECEAE0
D#0C0D10
USELight + dark modes

§ 04The type

Three voices, one room.

Newsreader
Editorial serif · display
By David Jonathan Ross
Open Font License

Sumeru Chatterjee.

A working monograph by — staff software engineer, mobile & platform.

Used for: titles, plate headings, section titles, the masthead. 500 weight as the default; 400 for italic accents and quoted material.

Source Serif 4
Text serif · prose
By Frank Grießhammer
SIL Open Font License

I’m Sumeru. I’ve spent the last fifteen years on the harder problems near the edges of mobile — AR SDKs, regulated banking, classifieds at eBay, real‑time wearables, then founding engineer for a regulated crypto fintech in Amsterdam.

Used for: body prose, plate descriptions, the foreword and biographical note. Optical sizing handles small captions and the larger pull‑quote sizes from a single file.

IBM Plex Mono
Utility monospace
By Mike Abbink & team
SIL Open Font License

§ 01 · PLATE I

2021 — 2022 · AMSTERDAM

Used for: section labels, page numbers, plate metadata, footnotes, dates, the small caps load‑bearing structure of the monograph. 400 and 500 weights.

§ 05The full kit

Everything in one folder.

A single archive of every asset on this page — favicons, the OG image, the SVG mark — at the sizes a deploying engineer will actually need. No source files; the originals live in the repo.

Write for source files →
favicon-512.pngMaster mark, 512 × 512PNG
favicon-32.pngBrowser tab faviconPNG
apple-touch-icon.pngiOS home-screen icon, 180 × 180PNG
favicon.svgScalable vector markSVG
og-image.pngOpenGraph / Twitter card, 1200 × 630PNG