# #81d449

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

## Values

- Hex: `#81d449`
- RGB: rgb(129, 212, 73)
- HSL: hsl(96, 62%, 56%)
- OKLCH: oklch(0.789 0.191 135.1)
- Relative luminance: 0.5224
- Nearest named color: yellowgreen (#9acd32, Δ 2.861) — https://brandsweets.com/colors/yellowgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/81d449

## Tints & shades

- Tints (toward white): #8cd85a, #98dc6a, #a6e17f, #b2e58f, #bde9a0, #c9edb1, #d4f0c1, #e2f5d6, #eef9e6, #f9fdf7
- Shades (toward black): #73d035, #67be2d, #59a527, #4e9122, #437c1d, #386718, #2d5313, #1f3a0e, #142509, #091104

## Harmonies

- Complementary: #9d49d4
- Analogous: #c6d449, #49d457
- Triadic: #4981d4, #d44981
- Split-complementary: #5749d4, #d449c6
- Tetradic: #49c6d4, #9d49d4, #d45749

## Colors that go with #81d449

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

- **Blue** #0000ff [pool] — 4 real palettes, including Minecraft's brand system and MongoDB's brand system put Blue beside #81d449, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #81d449 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #81d449 in 9 real palettes, including Acer's brand system and Citrus Grove, as the text colour against it. Seen in: Acer (https://brandsweets.com/colors/brands/acer-com), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #81d449 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/violet
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #81d449: 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). — https://brandsweets.com/colors/hotpink
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #81d449: 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). — https://brandsweets.com/colors/charcoal
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #81d449 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
- **Mustard Yellow** #ffdb58 [pool] — 3 real palettes, including Citrus Grove and Meadow put Mustard Yellow beside #81d449, as the accent. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Meadow (https://brandsweets.com/palettes/light#meadow), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice). — https://brandsweets.com/colors/mustard

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

- On white (#ffffff): 1.83:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #47841f (4.58:1); AA: background → #4d4d4d (4.61:1); AAA: text → #366317 (7.11:1); AAA: background → #303030 (7.19:1)
- On black (#000000): 11.45:1 — 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/81d449-aabea2-5f4edf-1f2d20-f0f1e9?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: "#81d449" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.