# #091900

A color — vivid, dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#091900`
- RGB: rgb(9, 25, 0)
- HSL: hsl(98, 100%, 5%)
- OKLCH: oklch(0.192 0.055 133.8)
- Relative luminance: 0.0075
- Nearest named color: Cosmic Bit Flip (#001000, Δ 4.258) — https://brandsweets.com/colors/cosmic-bit-flip
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/091900

## Tints & shades

- Tints (toward white): #1a4700, #2d7a00, #3ea800, #4fd600, #64ff0a, #81ff38, #9eff66, #bbff94, #dbffc7, #f9fff5
- Shades (toward black): #091900, #091900, #091900, #091900, #091900, #071400, #071400, #071400, #071400, #071400

## Harmonies

- Complementary: #100019
- Analogous: #161900, #001903
- Triadic: #000919, #190009
- Split-complementary: #030019, #190016
- Tetradic: #001619, #100019, #190300

## Colors that go with #091900

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #091900: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Amazon (https://brandsweets.com/colors/brands/amazon-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #091900 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Wise (https://brandsweets.com/colors/brands/wise-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #091900 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), IBM (https://brandsweets.com/colors/brands/ibm-com), NHL (https://brandsweets.com/colors/brands/nhl-com), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: analogous] — Sea Green is #091900's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Asana (https://brandsweets.com/colors/brands/asana-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Kia (https://brandsweets.com/colors/brands/kia-com). — https://brandsweets.com/colors/seagreen
- **Slate Blue** #6a5acd [harmony, pool: split] — Slate Blue is a split-complement of #091900: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Linear (https://brandsweets.com/colors/brands/linear), GitLab (https://brandsweets.com/colors/brands/gitlab). — https://brandsweets.com/colors/slateblue
- **Dark Orchid** #9932cc [harmony, pool: complementary] — Dark Orchid sits directly opposite #091900 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Laser (https://brandsweets.com/palettes/vivid#laser). — https://brandsweets.com/colors/darkorchid
- **Amber** #ffbf00 [pool] — Amber is paired with #091900 in 18 real palettes, including Trailhead and Ahrefs's brand system, as the accent. Seen in: Trailhead (https://brandsweets.com/palettes/warm#trailhead), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 20 real palettes, including Robinhood's brand system and native Cybersecurity's brand system put Blue beside #091900, as the supporting colour. Seen in: Robinhood (https://brandsweets.com/colors/brands/robinhood-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), EA (https://brandsweets.com/colors/brands/ea-com), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/blue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 18.25:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.15:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #328a00 (4.77:1); AA: background → #808080 (4.62:1); AAA: text → #40ad00 (7.2:1); AAA: background → #a1a1a1 (7.06:1)

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/091900-a9bea2-644edf-1f2d20-f0f1e9?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#091900" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.