# #191f00

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

## Values

- Hex: `#191f00`
- RGB: rgb(25, 31, 0)
- HSL: hsl(72, 100%, 6%)
- OKLCH: oklch(0.225 0.053 119.5)
- Relative luminance: 0.0119
- Nearest named color: Midnight Pines (#17240b, Δ 2.011) — https://brandsweets.com/colors/midnight-pines
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/191f00

## Tints & shades

- Tints (toward white): #3d4d00, #627a00, #8bad00, #afdb00, #ceff0a, #d7ff38, #e0ff66, #ebff99, #f4ffc7, #fdfff5
- Shades (toward black): #181f00, #181f00, #141900, #141900, #141900, #141900, #141900, #101400, #101400, #101400

## Harmonies

- Complementary: #06001f
- Analogous: #1f1500, #091f00
- Triadic: #00181f, #1f0018
- Split-complementary: #00091f, #15001f
- Tetradic: #001f15, #06001f, #1f0009

## Colors that go with #191f00

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

- **Blue Violet** #8a2be2 [harmony, pool: complementary] — Blue Violet sits directly opposite #191f00 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), ClickUp (https://brandsweets.com/colors/brands/clickup-com), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com), Klarna US (https://brandsweets.com/colors/brands/klarna-com). — https://brandsweets.com/colors/blueviolet
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #191f00: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Gusto (https://brandsweets.com/colors/brands/gusto-com), Logitech (https://brandsweets.com/colors/brands/logitech-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: split] — Royal Blue is a split-complement of #191f00: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Signal (https://brandsweets.com/colors/brands/signal-org), Spectrum (https://brandsweets.com/colors/brands/spectrum-com), Yahoo (https://brandsweets.com/colors/brands/yahoo-com), GitHub (https://brandsweets.com/colors/brands/github). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: analogous] — Sea Green is #191f00'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), Wellness (https://brandsweets.com/palettes/warm#wellness), Asana (https://brandsweets.com/colors/brands/asana-com), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #191f00 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #191f00 in 18 real palettes, including Trailhead and Maple, as the accent. Seen in: Trailhead (https://brandsweets.com/palettes/warm#trailhead), Maple (https://brandsweets.com/palettes/warm#maple), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 22 real palettes, including CVS's brand system and Signal's brand system put Blue beside #191f00, as the supporting colour. Seen in: CVS (https://brandsweets.com/colors/brands/cvs-com), Signal (https://brandsweets.com/colors/brands/signal-org), Bumble (https://brandsweets.com/colors/brands/bumble-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Graphite Mono and Estate put Blush Pink beside #191f00, as the accent. Seen in: Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Estate (https://brandsweets.com/palettes/luxury#estate), Cartier (https://brandsweets.com/colors/brands/cartier-com), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink

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

- On white (#ffffff): 16.97:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.24:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #668000 (4.65:1); AA: background → #858585 (4.6:1); AAA: text → #83a300 (7.2:1); AAA: background → #a8a8a8 (7.14:1)

## 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/191f00-b5bea2-4e77df-242d1f-f1efe9?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: "#191f00" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.