# #99ef67

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

## Values

- Hex: `#99ef67`
- RGB: rgb(153, 239, 103)
- HSL: hsl(98, 81%, 67%)
- OKLCH: oklch(0.869 0.19 135.5)
- Relative luminance: 0.6948
- Nearest named color: Herbivore (#88ee77, Δ 2.055) — https://brandsweets.com/colors/herbivore
- Moods: vivid
- Page: https://brandsweets.com/colors/99ef67

## Tints & shades

- Tints (toward white): #a2f075, #abf282, #b5f390, #bef59e, #caf7b1, #d4f8be, #ddfacc, #e6fbda, #effde8, #f9fef6
- Shades (toward black): #86ec4b, #70e92b, #60de17, #54c214, #48a611, #3a860e, #2e6a0b, #224e08, #142e05, #081202

## Harmonies

- Complementary: #bd67ef
- Analogous: #ddef67, #67ef79
- Triadic: #6799ef, #ef6799
- Split-complementary: #7967ef, #ef67dd
- Tetradic: #67ddef, #bd67ef, #ef7967

## Colors that go with #99ef67

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 #99ef67 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #99ef67 in 4 real palettes, including 7-Eleven's brand system and Astro's brand system, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Astro (https://brandsweets.com/colors/brands/astro-build), Macaron (https://brandsweets.com/palettes/light#macaron), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/taupe
- **Plum** #dda0dd [harmony: complementary] — Plum sits directly opposite #99ef67 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 #99ef67: 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 #99ef67: 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 #99ef67: 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 #99ef67, 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
- **Gold** #ffd700 [pool] — Gold shows up next to #99ef67 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): 1.41:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3a860e (4.57:1); AA: background → #5e5e5e (4.6:1); AAA: text → #2a610a (7.47:1); AAA: background → #424242 (7.13:1)
- On black (#000000): 14.9:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Duolingo** — accent #a5ed6e (Δ 1.644) — https://brandsweets.com/colors/brands/duolingo

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/99ef67-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: "#99ef67" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.