# #81cf6e

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

## Values

- Hex: `#81cf6e`
- RGB: rgb(129, 207, 110)
- HSL: hsl(108, 50%, 62%)
- OKLCH: oklch(0.781 0.152 139.7)
- Relative luminance: 0.5042
- Nearest named color: Fluorescence (#89d178, Δ 1.553) — https://brandsweets.com/colors/fluorescence
- Moods: neutral
- Page: https://brandsweets.com/colors/81cf6e

## Tints & shades

- Tints (toward white): #8ed47d, #98d788, #a5dd98, #afe0a3, #bde6b3, #caebc2, #d4eecd, #e1f4dd, #ebf7e8, #f8fcf7
- Shades (toward black): #6dc757, #59bf40, #50ac39, #469532, #3b7e2a, #306722, #25501b, #1d3d14, #12260d, #070f05

## Harmonies

- Complementary: #bb6ecf
- Analogous: #b1cf6e, #6ecf8b
- Triadic: #6e81cf, #cf6e81
- Split-complementary: #8b6ecf, #cf6eb1
- Tetradic: #6eb1cf, #bb6ecf, #cf8b6e

## Colors that go with #81cf6e

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

- **Plum** #dda0dd [harmony, pool: complementary] — Plum sits directly opposite #81cf6e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/plum
- **Blue** #0000ff [pool] — 4 real palettes, including Minecraft's brand system and Unity's brand system put Blue beside #81cf6e, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Unity (https://brandsweets.com/colors/brands/unity-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #81cf6e: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Canopy (https://brandsweets.com/palettes/cool#canopy), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #81cf6e in 4 real palettes, including Docker's brand system and Brilliant's brand system, as the supporting colour. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #81cf6e in 15 real palettes, including Citrus Grove and Acer's brand system, as the text colour against it. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Acer (https://brandsweets.com/colors/brands/acer-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/taupe
- **Lilac** #c8a2c8 [harmony, pool: split] — Lilac is a split-complement of #81cf6e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe). — https://brandsweets.com/colors/lilac
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #81cf6e in 3 real palettes, including 7-Eleven's brand system and Undergrowth, as the supporting colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/darkolivegreen
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #81cf6e in 3 real palettes, including Citrus Grove and Playground, as the lead colour. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Playground (https://brandsweets.com/palettes/bold#playground), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/darkorange

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

- On white (#ffffff): 1.89:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3e862d (4.51:1); AA: background → #4a4a4a (4.68:1); AAA: text → #2e6321 (7.18:1); AAA: background → #2e2e2e (7.17:1)
- On black (#000000): 11.08:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Scale AI** — primary #72ce7b (Δ 1.938) — https://brandsweets.com/colors/brands/scale-com
- **Scale AI** — accent #72ce7b (Δ 1.938) — https://brandsweets.com/colors/brands/scale-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/81cf6e-a4bea2-7c4edf-1f2d23-eff1e9?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: "#81cf6e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.