# #aaff42

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

## Values

- Hex: `#aaff42`
- RGB: rgb(170, 255, 66)
- HSL: hsl(87, 100%, 63%)
- OKLCH: oklch(0.912 0.227 131.2)
- Relative luminance: 0.8046
- Nearest named color: greenyellow (#adff2f, Δ 0.854) — https://brandsweets.com/colors/greenyellow
- Moods: vivid
- Page: https://brandsweets.com/colors/aaff42

## Tints & shades

- Tints (toward white): #b3ff57, #baff66, #c3ff7a, #caff8a, #d3ff9e, #daffad, #e3ffc2, #eaffd1, #f4ffe5, #fafff5
- Shades (toward black): #9cff24, #8fff05, #7ee600, #6dc700, #5fad00, #4f8f00, #3e7000, #2d5200, #1c3300, #0b1400

## Harmonies

- Complementary: #9742ff
- Analogous: #fff642, #4cff42
- Triadic: #42aaff, #ff42aa
- Split-complementary: #424cff, #f642ff
- Tetradic: #42fff6, #9742ff, #ff424c

## Colors that go with #aaff42

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 #aaff42 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 Snapchat's brand system put Blue beside #aaff42, as the supporting colour. Seen in: Robinhood (https://brandsweets.com/colors/brands/robinhood-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #aaff42: 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 #aaff42 in 3 real palettes, including Wise's brand system and Heineken's brand system, as the lead colour. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Heineken (https://brandsweets.com/colors/brands/heineken-com), Gatorade (https://brandsweets.com/colors/brands/gatorade-com). — https://brandsweets.com/colors/red
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #aaff42: 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 #aaff42 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 #aaff42, 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
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #aaff42: two real palettes: JetBrains's brand system and Star Wars's brand system, as the supporting colour. Seen in: JetBrains (https://brandsweets.com/colors/brands/jetbrains-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 1.23:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #498500 (4.53:1); AA: background → #666666 (4.67:1); AAA: text → #356100 (7.34:1); AAA: background → #4a4a4a (7.21:1)
- On black (#000000): 17.09:1 — 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/aaff42-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: "#aaff42" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.