# #99df43

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

## Values

- Hex: `#99df43`
- RGB: rgb(153, 223, 67)
- HSL: hsl(87, 71%, 57%)
- OKLCH: oklch(0.828 0.196 130.7)
- Relative luminance: 0.5995
- Nearest named color: Conifer (#b1dd52, Δ 3.259) — https://brandsweets.com/colors/conifer
- Moods: vivid
- Page: https://brandsweets.com/colors/99df43

## Tints & shades

- Tints (toward white): #a3e255, #ace566, #b6e878, #bfeb89, #cbef9f, #d4f2b1, #def5c2, #e7f8d3, #f1fbe5, #fafef6
- Shades (toward black): #8ddc2e, #7ec922, #70b31e, #629d1b, #558717, #446d12, #37570f, #29410b, #192707, #0b1103

## Harmonies

- Complementary: #8a43df
- Analogous: #dfd743, #4bdf43
- Triadic: #4399df, #df4399
- Split-complementary: #434bdf, #d743df
- Tetradic: #43dfd7, #8a43df, #df434b

## Colors that go with #99df43

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 #99df43 — 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), Learning App (https://brandsweets.com/palettes/playful#learning-app), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #99df43 in 6 real palettes, including Citrus Grove and 7-Eleven's brand system, as the text colour against it. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Acer (https://brandsweets.com/colors/brands/acer-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #99df43 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 #99df43, 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #99df43: 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), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #99df43 in 3 real palettes, including MongoDB's brand system and Brilliant's brand system, as the supporting colour. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue
- **Light Coral** #f08080 [harmony, pool: triadic] — Light Coral completes a triad with #99df43 — 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
- **Emerald Green** #50c878 [harmony, pool: analogous] — Emerald Green is #99df43'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

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

- On white (#ffffff): 1.62:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #528316 (4.55:1); AA: background → #545454 (4.68:1); AAA: text → #3c6010 (7.31:1); AAA: background → #383838 (7.25:1)
- On black (#000000): 12.99:1 — 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/99df43-aebea2-4e53df-212d1f-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: "#99df43" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.