# #b9d581

A color — neutral. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#b9d581`
- RGB: rgb(185, 213, 129)
- HSL: hsl(80, 50%, 67%)
- OKLCH: oklch(0.833 0.113 123.9)
- Relative luminance: 0.5949
- Nearest named color: Alligator Alley (#c5d17b, Δ 1.686) — https://brandsweets.com/colors/alligator-alley
- Moods: neutral
- Page: https://brandsweets.com/colors/b9d581

## Tints & shades

- Tints (toward white): #bfd98c, #c6dd98, #cce0a3, #d2e4af, #dbe9be, #e1edc9, #e8f1d5, #eef5e0, #f4f9ec, #fbfcf7
- Shades (toward black): #accd6a, #9dc44f, #8fb83d, #7da136, #6b8a2e, #566f25, #44581d, #334116, #1e260d, #0c0f05

## Harmonies

- Complementary: #9d81d5
- Analogous: #d5c781, #8fd581
- Triadic: #81b9d5, #d581b9
- Split-complementary: #818fd5, #c781d5
- Tetradic: #81d5c7, #9d81d5, #d5818f

## Colors that go with #b9d581

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 #b9d581: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Coastal (https://brandsweets.com/palettes/cool#coastal), Disney (https://brandsweets.com/colors/brands/disney-com), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Sky Blue** #87ceeb [harmony, pool: triadic] — Sky Blue completes a triad with #b9d581 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Still Water (https://brandsweets.com/palettes/cool#still-water), Oatly (https://brandsweets.com/colors/brands/oatly-com), Pastel Pop (https://brandsweets.com/palettes/playful#pastel-pop). — https://brandsweets.com/colors/skyblue
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #b9d581 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com). — https://brandsweets.com/colors/lilac
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #b9d581: 4 real palettes, including Coastal and Diner, as the lead colour. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Diner (https://brandsweets.com/palettes/vivid#diner), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Estate (https://brandsweets.com/palettes/luxury#estate). — https://brandsweets.com/colors/cadetblue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #b9d581: 4 real palettes, including NBA's brand system and Blueprint, as the accent. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #b9d581 in 10 real palettes, including Wise's brand system and Diner, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Diner (https://brandsweets.com/palettes/vivid#diner), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Tabloid (https://brandsweets.com/palettes/editorial#tabloid). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #b9d581 in 4 real palettes, including Oatmeal and Miro's brand system, as the lead colour. Seen in: Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Miro (https://brandsweets.com/colors/brands/miro-com), Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth). — https://brandsweets.com/colors/darkolivegreen
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #b9d581: 4 real palettes, including Blueprint and Prime Video's brand system, as the lead colour. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 1.63:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #627e2a (4.63:1); AA: background → #545454 (4.65:1); AAA: text → #4a6020 (7.03:1); AAA: background → #383838 (7.2:1)
- On black (#000000): 12.9:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/b9d581-b1bea2-4e64df-232d1f-f1f0e9?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: "#b9d581" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.