# #81f389

A color — vivid, light, clean. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#81f389`
- RGB: rgb(129, 243, 137)
- HSL: hsl(124, 83%, 73%)
- OKLCH: oklch(0.872 0.177 145.3)
- Relative luminance: 0.7057
- Nearest named color: Herbivore (#88ee77, Δ 1.905) — https://brandsweets.com/colors/herbivore
- Moods: vivid, light, clean
- Page: https://brandsweets.com/colors/81f389

## Tints & shades

- Tints (toward white): #8ff596, #98f59f, #a6f7ac, #b0f8b4, #bef9c2, #c7faca, #d5fbd8, #defce0, #ecfded, #f6fef6
- Shades (toward black): #60f06a, #40ed4b, #1fea2d, #14d220, #11b61c, #0e9517, #0b7512, #08540d, #053308, #021303

## Harmonies

- Complementary: #f381ec
- Analogous: #b3f381, #81f3c2
- Triadic: #8981f3, #f38981
- Split-complementary: #c281f3, #f381b3
- Tetradic: #81b3f3, #f381ec, #f3c281

## Colors that go with #81f389

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 #81f389: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Canopy (https://brandsweets.com/palettes/cool#canopy), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #81f389 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/violet
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #81f389: 3 real palettes, including Prime Video's brand system and Remix's brand system, as the supporting colour. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #81f389 in 3 real palettes, including 7-Eleven's brand system and Astro's brand system, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Astro (https://brandsweets.com/colors/brands/astro-build), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/taupe
- **Lilac** #c8a2c8 [harmony: split] — Lilac is a split-complement of #81f389: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lilac
- **Blue** #0000ff [pool] — Two real palettes: MongoDB's brand system and Robinhood's brand system put Blue beside #81f389, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #81f389 in two real palettes: Wise's brand system and Formula 1's brand system, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com). — https://brandsweets.com/colors/crimson
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #81f389 in two real palettes: Neon's brand system and Canopy, as the supporting colour. Seen in: Neon (https://brandsweets.com/colors/brands/neon-tech), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/hunter-green

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

- On white (#ffffff): 1.39:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0d8715 (4.67:1); AA: background → #5e5e5e (4.67:1); AAA: text → #0a6710 (7.09:1); AAA: background → #424242 (7.23:1)
- On black (#000000): 15.11:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/81f389-a2bea7-a24edf-1f2d26-edf1e9?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: "#81f389" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.