# #81fe34

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

## Values

- Hex: `#81fe34`
- RGB: rgb(129, 254, 52)
- HSL: hsl(97, 99%, 60%)
- OKLCH: oklch(0.89 0.251 136.8)
- Relative luminance: 0.758
- Nearest named color: Acid Green (#8ffe09, Δ 1.386) — https://brandsweets.com/colors/acid-green
- Moods: vivid
- Page: https://brandsweets.com/colors/81fe34

## Tints & shades

- Tints (toward white): #8efe48, #9bfe5d, #a4fe6c, #b1fe80, #bdfe94, #caffa9, #d6ffbd, #e0ffcc, #ecffe1, #f9fff5
- Shades (toward black): #6ffe16, #60f901, #54da01, #4bc101, #3fa201, #338401, #296b01, #1d4c00, #143300, #081400

## Harmonies

- Complementary: #b134fe
- Analogous: #e6fe34, #34fe4c
- Triadic: #3481fe, #fe3481
- Split-complementary: #4c34fe, #fe34e6
- Tetradic: #34e6fe, #b134fe, #fe4c34

## Colors that go with #81fe34

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

- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #81fe34 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 #81fe34: 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
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #81fe34 — 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). — https://brandsweets.com/colors/deepskyblue
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #81fe34: 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: Robinhood's brand system and MongoDB's brand system put Blue beside #81fe34, as the supporting colour. Seen in: Robinhood (https://brandsweets.com/colors/brands/robinhood-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-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 #81fe34, 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 #81fe34 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 #81fe34: 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): 1.3:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #338401 (4.73:1); AA: background → #636363 (4.62:1); AAA: text → #276501 (7.12:1); AAA: background → #474747 (7.15:1)
- On black (#000000): 16.16:1 — 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/81fe34-a9bea2-624edf-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: "#81fe34" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
