# #81b616

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

## Values

- Hex: `#81b616`
- RGB: rgb(129, 182, 22)
- HSL: hsl(80, 78%, 40%)
- OKLCH: oklch(0.713 0.181 128)
- Relative luminance: 0.3818
- Nearest named color: Extra Life (#6ab417, Δ 2.633) — https://brandsweets.com/colors/extra-life
- Moods: vivid
- Page: https://brandsweets.com/colors/81b616

## Tints & shades

- Tints (toward white): #94d11a, #a4e425, #aee73c, #b9ea57, #c5ee72, #d0f18e, #dbf4a9, #e5f7bf, #f0fbdb, #fbfef6
- Shades (toward black): #74a314, #6a9613, #5d8410, #54760f, #47640c, #3a520a, #304408, #233206, #1a2404, #0d1202

## Harmonies

- Complementary: #4b16b6
- Analogous: #b69b16, #31b616
- Triadic: #1681b6, #b61681
- Split-complementary: #1631b6, #9b16b6
- Tetradic: #16b69b, #4b16b6, #b61631

## Colors that go with #81b616

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

- **Taupe** #483c32 [pool] — Taupe is paired with #81b616 in 9 real palettes, including Acer's brand system and Meadow, as the text colour against it. Seen in: Acer (https://brandsweets.com/colors/brands/acer-com), Meadow (https://brandsweets.com/palettes/light#meadow), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/taupe
- **Orchid** #da70d6 [harmony: complementary] — Orchid sits directly opposite #81b616 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/orchid
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #81b616: 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
- **Blue** #0000ff [pool] — 3 real palettes, including Minecraft's brand system and Spotify's brand system put Blue beside #81b616, 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). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #81b616: 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). — https://brandsweets.com/colors/charcoal
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #81b616 in 3 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). — https://brandsweets.com/colors/darkolivegreen
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #81b616 in 3 real palettes, including Citrus Grove and Learning App, as the lead colour. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Learning App (https://brandsweets.com/palettes/playful#learning-app), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/darkorange
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #81b616: 3 real palettes, including Playground and Unity's brand system, as the supporting colour. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Unity (https://brandsweets.com/colors/brands/unity-com), Spline (https://brandsweets.com/colors/brands/spline-design). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 2.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5a7f10 (4.69:1); AA: background → #3b3b3b (4.61:1); AAA: text → #435f0c (7.29:1); AAA: background → #1c1c1c (7.01:1)
- On black (#000000): 8.64:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Acer** — primary #83b81a (Δ 0.627) — https://brandsweets.com/colors/brands/acer-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/81b616-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: "#81b616" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.