# #81f33f

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

## Values

- Hex: `#81f33f`
- RGB: rgb(129, 243, 63)
- HSL: hsl(98, 88%, 60%)
- OKLCH: oklch(0.864 0.234 136.7)
- Relative luminance: 0.6913
- Nearest named color: lawngreen (#7cfc00, Δ 3.431) — https://brandsweets.com/colors/lawngreen
- Moods: vivid
- Page: https://brandsweets.com/colors/81f33f

## Tints & shades

- Tints (toward white): #8ef452, #9af566, #a4f674, #b0f787, #bdf99a, #c9faae, #d6fbc1, #e0fccf, #ecfde2, #f9fef5
- Shades (toward black): #6ef122, #60eb0f, #54ce0d, #4ab60c, #3e990a, #337d08, #296506, #1d4805, #143003, #081301

## Harmonies

- Complementary: #b13ff3
- Analogous: #dbf33f, #3ff357
- Triadic: #3f81f3, #f33f81
- Split-complementary: #573ff3, #f33fdb
- Tetradic: #3fdbf3, #b13ff3, #f3573f

## Colors that go with #81f33f

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

- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #81f33f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/deepskyblue
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #81f33f 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #81f33f: 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). — https://brandsweets.com/colors/charcoal
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #81f33f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Blue** #0000ff [pool] — Two real palettes: MongoDB's brand system and Robinhood's brand system put Blue beside #81f33f, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com). — https://brandsweets.com/colors/blue
- **Lime Green** #32cd32 [pool] — Two real palettes: Duolingo's brand system and Monster Energy's brand system put Lime Green beside #81f33f, as the lead colour. Seen in: Duolingo (https://brandsweets.com/colors/brands/duolingo), Monster Energy (https://brandsweets.com/colors/brands/monsterenergy-com). — https://brandsweets.com/colors/limegreen
- **Red** #ff0000 [pool] — Red is paired with #81f33f in two real palettes: Wise's brand system and Gatorade's brand system, as the lead colour. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Gatorade (https://brandsweets.com/colors/brands/gatorade-com). — https://brandsweets.com/colors/red
- **Lilac** #c8a2c8 [harmony: split] — Lilac is a split-complement of #81f33f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lilac

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

- On white (#ffffff): 1.42:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #378609 (4.59:1); AA: background → #5e5e5e (4.58:1); AAA: text → #296506 (7.1:1); AAA: background → #424242 (7.09:1)
- On black (#000000): 14.83:1 — 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/81f33f-a9bea2-644edf-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: "#81f33f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.