# #99ea66

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

## Values

- Hex: `#99ea66`
- RGB: rgb(153, 234, 102)
- HSL: hsl(97, 76%, 66%)
- OKLCH: oklch(0.857 0.184 135)
- Relative luminance: 0.6658
- Nearest named color: Herbivore (#88ee77, Δ 1.926) — https://brandsweets.com/colors/herbivore
- Moods: vivid
- Page: https://brandsweets.com/colors/99ea66

## Tints & shades

- Tints (toward white): #a2ec74, #abee81, #b7f093, #c0f2a1, #c9f4ae, #d2f6bc, #dbf8c9, #e7fadb, #f0fce9, #f9fef6
- Shades (toward black): #87e74b, #75e331, #63d31d, #56b819, #499d15, #3d8212, #30670e, #22480a, #152d06, #081202

## Harmonies

- Complementary: #b866ea
- Analogous: #dbea66, #66ea76
- Triadic: #6699ea, #ea6699
- Split-complementary: #7666ea, #ea66db
- Tetradic: #66dbea, #b866ea, #ea7666

## Colors that go with #99ea66

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 #99ea66 — 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), Astro (https://brandsweets.com/colors/brands/astro-build), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #99ea66 in 6 real palettes, including 7-Eleven's brand system and Citrus Grove, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Astro (https://brandsweets.com/colors/brands/astro-build), Acer (https://brandsweets.com/colors/brands/acer-com). — https://brandsweets.com/colors/taupe
- **Plum** #dda0dd [harmony: complementary] — Plum sits directly opposite #99ea66 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/plum
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #99ea66: 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
- **Lilac** #c8a2c8 [harmony: split] — Lilac is a split-complement of #99ea66: 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: MongoDB's brand system and Robinhood's brand system put Blue beside #99ea66, 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
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #99ea66 in two real palettes: 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). — https://brandsweets.com/colors/darkorange
- **Gold** #ffd700 [pool] — Gold shows up next to #99ea66 in two real palettes: Prime Video's brand system and Star Wars's brand system, as the lead colour. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com). — https://brandsweets.com/colors/gold

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

- On white (#ffffff): 1.47:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3d8212 (4.77:1); AA: background → #5c5c5c (4.56:1); AAA: text → #2e630d (7.22:1); AAA: background → #404040 (7.07:1)
- On black (#000000): 14.32:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Wise** — secondary #9fe870 (Δ 1.458) — https://brandsweets.com/colors/brands/wise-com
- **Duolingo** — accent #a5ed6e (Δ 1.778) — https://brandsweets.com/colors/brands/duolingo

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/99ea66-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: "#99ea66" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.