# #81a40e

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

## Values

- Hex: `#81a40e`
- RGB: rgb(129, 164, 14)
- HSL: hsl(74, 84%, 35%)
- OKLCH: oklch(0.668 0.162 123.7)
- Relative luminance: 0.3125
- Nearest named color: Gameboy Screen (#8bac0f, Δ 2.698) — https://brandsweets.com/colors/gameboy-screen
- Moods: vivid
- Page: https://brandsweets.com/colors/81a40e

## Tints & shades

- Tints (toward white): #97c011, #b1e114, #beec27, #c7ef43, #d1f264, #d9f480, #e1f69c, #eaf9b9, #f4fcd9, #fcfef6
- Shades (toward black): #76960d, #6b880c, #607a0b, #556c09, #4a5e08, #3b4b07, #303d05, #252f04, #1a2103, #0f1302

## Harmonies

- Complementary: #310ea4
- Analogous: #a47c0e, #36a40e
- Triadic: #0e81a4, #a40e81
- Split-complementary: #0e36a4, #7c0ea4
- Tetradic: #0ea47c, #310ea4, #a40e36

## Colors that go with #81a40e

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

- **Medium Purple** #9370db [harmony, pool: complementary] — Medium Purple sits directly opposite #81a40e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/mediumpurple
- **Blue** #0000ff [pool] — 4 real palettes, including Minecraft's brand system and Spotify's brand system put Blue beside #81a40e, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #81a40e: 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), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Puma (https://brandsweets.com/colors/brands/puma-com). — https://brandsweets.com/colors/charcoal
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #81a40e in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Cider (https://brandsweets.com/palettes/warm#cider). — https://brandsweets.com/colors/darkolivegreen
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #81a40e in 4 real palettes, including Console Light and Telehealth, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #81a40e in 11 real palettes, including Acer's brand system and Undergrowth, as the text colour against it. Seen in: Acer (https://brandsweets.com/colors/brands/acer-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Meadow (https://brandsweets.com/palettes/light#meadow), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/taupe
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #81a40e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/cornflowerblue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #81a40e 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): 2.9:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #647f0b (4.58:1); AA: background → #303030 (4.56:1); AAA: text → #4a5e08 (7.25:1); AAA: background → #050505 (7.04:1)
- On black (#000000): 7.25:1 — 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/81a40e-b4bea2-4e72df-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: "#81a40e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.