# #81e02e

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

## Values

- Hex: `#81e02e`
- RGB: rgb(129, 224, 46)
- HSL: hsl(92, 74%, 53%)
- OKLCH: oklch(0.816 0.22 134.4)
- Relative luminance: 0.5818
- Nearest named color: Becquerel (#4bec13, Δ 5.05) — https://brandsweets.com/colors/becquerel
- Moods: vivid
- Page: https://brandsweets.com/colors/81e02e

## Tints & shades

- Tints (toward white): #8fe345, #99e656, #a7e96d, #b1ec7e, #bfef95, #c9f2a6, #d7f5bc, #e2f8ce, #effbe4, #fafef6
- Shades (toward black): #74d520, #68bf1d, #5ca919, #509216, #468113, #3a6a10, #2e540d, #223e09, #162806, #0a1203

## Harmonies

- Complementary: #8d2ee0
- Analogous: #dae02e, #2ee034
- Triadic: #2e81e0, #e02e81
- Split-complementary: #342ee0, #e02eda
- Tetradic: #2edae0, #8d2ee0, #e0342e

## Colors that go with #81e02e

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 #81e02e — 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 #81e02e in 7 real palettes, including 7-Eleven's brand system and Acer's brand system, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Acer (https://brandsweets.com/colors/brands/acer-com), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #81e02e 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
- **Blue** #0000ff [pool] — 3 real palettes, including MongoDB's brand system and Minecraft's brand system put Blue beside #81e02e, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Robinhood (https://brandsweets.com/colors/brands/robinhood-com). — https://brandsweets.com/colors/blue
- **Light Coral** #f08080 [harmony, pool: triadic] — Light Coral completes a triad with #81e02e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #81e02e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Emerald Green** #50c878 [harmony, pool: analogous] — Emerald Green is #81e02e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Peloton (https://brandsweets.com/colors/brands/peloton-com). — https://brandsweets.com/colors/emerald-green
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #81e02e: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 1.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #498514 (4.52:1); AA: background → #545454 (4.56:1); AAA: text → #35620f (7.23:1); AAA: background → #383838 (7.06:1)
- On black (#000000): 12.64:1 — 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/81e02e-acbea2-564edf-202d1f-f1f1e9?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: "#81e02e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.