# #81c19a

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

## Values

- Hex: `#81c19a`
- RGB: rgb(129, 193, 154)
- HSL: hsl(143, 34%, 63%)
- OKLCH: oklch(0.757 0.087 156.9)
- Relative luminance: 0.4514
- Nearest named color: darkseagreen (#8fbc8f, Δ 1.977) — https://brandsweets.com/colors/darkseagreen
- Moods: muted
- Page: https://brandsweets.com/colors/81c19a

## Tints & shades

- Tints (toward white): #8ec7a4, #98cdac, #a6d3b7, #b0d8c0, #bedfcb, #c8e4d3, #d6ebde, #e0f0e6, #eef7f1, #f8fcf9
- Shades (toward black): #6cb789, #58ad78, #4c9a6a, #42855c, #397450, #2f6042, #254b34, #1b3726, #112217, #070e09

## Harmonies

- Complementary: #c181a8
- Analogous: #88c181, #81c1b9
- Triadic: #9981c1, #c19981
- Split-complementary: #b981c1, #c18188
- Tetradic: #8188c1, #c181a8, #c1b981

## Colors that go with #81c19a

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 text near-black for #81c19a: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Docker (https://brandsweets.com/colors/brands/docker-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Plum** #dda0dd [harmony, pool: complementary] — Plum sits directly opposite #81c19a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Netlify (https://brandsweets.com/colors/brands/netlify-com), Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/plum
- **Blue** #0000ff [pool] — 6 real palettes, including Unity's brand system and Canva's brand system put Blue beside #81c19a, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Canva (https://brandsweets.com/colors/brands/canva-com), Uber (https://brandsweets.com/colors/brands/uber-com), Lexus (https://brandsweets.com/colors/brands/lexus-com). — https://brandsweets.com/colors/blue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Forest Floor and Midnight Luxe put Champagne beside #81c19a, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Bramble (https://brandsweets.com/palettes/muted#bramble), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #81c19a: 4 real palettes, including Clean Beauty and Desert Road, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #81c19a in 5 real palettes, including Tiffany & Co.'s brand system and DuckDuckGo's brand system, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #81c19a in 4 real palettes, including Forest Floor and Undergrowth, as the supporting colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal). — https://brandsweets.com/colors/darkolivegreen
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #81c19a in 5 real palettes, including Pine & Birch and Canopy, as the lead colour. Seen in: Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Canopy (https://brandsweets.com/palettes/cool#canopy), Neon (https://brandsweets.com/colors/brands/neon-tech), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/hunter-green

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

- On white (#ffffff): 2.09:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #408259 (4.61:1); AA: background → #454545 (4.58:1); AAA: text → #316344 (7:1); AAA: background → #262626 (7.23:1)
- On black (#000000): 10.03:1 — 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/81c19a-a2beb0-c859d4-1f2d2b-eaf1e9?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: "#81c19a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.