# #9ffe39

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

## Values

- Hex: `#9ffe39`
- RGB: rgb(159, 254, 57)
- HSL: hsl(89, 99%, 61%)
- OKLCH: oklch(0.904 0.235 132.7)
- Relative luminance: 0.7855
- Nearest named color: greenyellow (#adff2f, Δ 1.443) — https://brandsweets.com/colors/greenyellow
- Moods: vivid
- Page: https://brandsweets.com/colors/9ffe39

## Tints & shades

- Tints (toward white): #a9fe4d, #b0fe5d, #bafe71, #c4fe85, #cefe9a, #d5ffa9, #dfffbd, #e9ffd1, #f0ffe1, #fafff5
- Shades (toward black): #90fe1b, #84fe01, #74df01, #64c101, #57a701, #478901, #376b01, #284c00, #1a3300, #0b1400

## Harmonies

- Complementary: #9839fe
- Analogous: #fefb39, #3cfe39
- Triadic: #399ffe, #fe399f
- Split-complementary: #393cfe, #fb39fe
- Tetradic: #39fefb, #9839fe, #fe393c

## Colors that go with #9ffe39

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 #9ffe39 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
- **Blue** #0000ff [pool] — 3 real palettes, including Robinhood's brand system and MongoDB's brand system put Blue beside #9ffe39, as the supporting colour. Seen in: Robinhood (https://brandsweets.com/colors/brands/robinhood-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #9ffe39: 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
- **Red** #ff0000 [pool] — Red is paired with #9ffe39 in 3 real palettes, including 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), Heineken (https://brandsweets.com/colors/brands/heineken-com). — https://brandsweets.com/colors/red
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #9ffe39: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Crimson** #dc143c [pool] — Crimson is paired with #9ffe39 in two real palettes: Wise's brand system and Ferrari's brand system, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Ferrari (https://brandsweets.com/colors/brands/ferrari-com). — https://brandsweets.com/colors/crimson
- **Deep Pink** #ff1493 [pool] — Two real palettes: Arcade and JetBrains's brand system put Deep Pink beside #9ffe39, as the lead colour. Seen in: Arcade (https://brandsweets.com/palettes/vivid#arcade), JetBrains (https://brandsweets.com/colors/brands/jetbrains-com). — https://brandsweets.com/colors/deeppink
- **Lime Green** #32cd32 [pool] — Two real palettes: Duolingo's brand system and Monster Energy's brand system put Lime Green beside #9ffe39, 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

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

- On white (#ffffff): 1.26:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #448401 (4.62:1); AA: background → #666666 (4.57:1); AAA: text → #326000 (7.48:1); AAA: background → #4a4a4a (7.05:1)
- On black (#000000): 16.71:1 — 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/9ffe39-adbea2-4e4edf-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: "#9ffe39" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.