# #81a545

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

## Values

- Hex: `#81a545`
- RGB: rgb(129, 165, 69)
- HSL: hsl(83, 41%, 46%)
- OKLCH: oklch(0.674 0.131 126.9)
- Relative luminance: 0.3201
- Nearest named color: Asparagus (#77ab56, Δ 2.031) — https://brandsweets.com/colors/asparagus
- Moods: neutral
- Page: https://brandsweets.com/colors/81a545

## Tints & shades

- Tints (toward white): #8eb54f, #9abd61, #a7c676, #b3cd88, #bed59a, #cadcac, #d5e4be, #e3edd4, #eff4e6, #fafcf8
- Shades (toward black): #75973f, #6a8939, #5c7732, #51682c, #465a26, #3b4c20, #2f3d1a, #222b12, #161d0c, #0b0e06

## Harmonies

- Complementary: #6a45a5
- Analogous: #a59a45, #50a545
- Triadic: #4581a5, #a54581
- Split-complementary: #4550a5, #9a45a5
- Tetradic: #45a59a, #6a45a5, #a54550

## Colors that go with #81a545

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 #81a545: 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), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Medium Purple** #9370db [harmony, pool: complementary] — Medium Purple sits directly opposite #81a545 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] — 6 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #81a545, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Lexus (https://brandsweets.com/colors/brands/lexus-com). — https://brandsweets.com/colors/blue
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #81a545 in 5 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
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #81a545: 4 real palettes, including Spline's brand system and Unity's brand system, as the lead colour. Seen in: Spline (https://brandsweets.com/colors/brands/spline-design), Unity (https://brandsweets.com/colors/brands/unity-com), Playground (https://brandsweets.com/palettes/bold#playground), Liquid Death (https://brandsweets.com/colors/brands/liquiddeath-com). — https://brandsweets.com/colors/dodgerblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #81a545 in 6 real palettes, including Brilliant's brand system and Console Light, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/royalblue
- **Saddle Brown** #8b4513 [pool] — Designers have shipped Saddle Brown with #81a545: 4 real palettes, including Homestead and Cider, as the lead colour. Seen in: Homestead (https://brandsweets.com/palettes/warm#homestead), Cider (https://brandsweets.com/palettes/warm#cider), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Bakery (https://brandsweets.com/palettes/warm#bakery). — https://brandsweets.com/colors/saddlebrown
- **Taupe** #483c32 [pool] — Taupe is paired with #81a545 in 22 real palettes, including Undergrowth and Acer's brand system, as the surface under it. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Acer (https://brandsweets.com/colors/brands/acer-com), Meadow (https://brandsweets.com/palettes/light#meadow), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 2.84:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #627e35 (4.61:1); AA: background → #303030 (4.65:1); AAA: text → #495d27 (7.3:1); AAA: background → #080808 (7.06:1)
- On black (#000000): 7.4:1 — 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/81a545-b0bea2-4e5ddf-222d1f-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: "#81a545" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.