# #91f55b

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

## Values

- Hex: `#91f55b`
- RGB: rgb(145, 245, 91)
- HSL: hsl(99, 89%, 66%)
- OKLCH: oklch(0.878 0.211 136.3)
- Relative luminance: 0.7208
- Nearest named color: Flora (#73fa79, Δ 2.96) — https://brandsweets.com/colors/flora
- Moods: vivid
- Page: https://brandsweets.com/colors/91f55b

## Tints & shades

- Tints (toward white): #9bf66a, #a5f778, #b1f88b, #bbf99a, #c5faa8, #cffbb7, #d8fcc5, #e5fdd8, #effee7, #f9fef5
- Shades (toward black): #7ef43e, #6af221, #58e30d, #4dc60c, #41a90a, #368c08, #2b6f06, #1e4d04, #133003, #071301

## Harmonies

- Complementary: #bf5bf5
- Analogous: #def55b, #5bf572
- Triadic: #5b91f5, #f55b91
- Split-complementary: #725bf5, #f55bde
- Tetradic: #5bdef5, #bf5bf5, #f5725b

## Colors that go with #91f55b

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, pool: complementary] — Violet sits directly opposite #91f55b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Gumroad (https://brandsweets.com/colors/brands/gumroad-com). — https://brandsweets.com/colors/violet
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #91f55b: 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 #91f55b — 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 #91f55b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Lilac** #c8a2c8 [harmony: split] — Lilac is a split-complement of #91f55b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lilac
- **Blue** #0000ff [pool] — Two real palettes: Robinhood's brand system and MongoDB's brand system put Blue beside #91f55b, 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 #91f55b, 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 #91f55b 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

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

- On white (#ffffff): 1.36:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #348708 (4.55:1); AA: background → #616161 (4.55:1); AAA: text → #276506 (7.12:1); AAA: background → #454545 (7.04:1)
- On black (#000000): 15.42:1 — 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/91f55b-a8bea2-664edf-1f2d21-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: "#91f55b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.