# #3dff40

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

## Values

- Hex: `#3dff40`
- RGB: rgb(61, 255, 64)
- HSL: hsl(121, 100%, 62%)
- OKLCH: oklch(0.874 0.271 143)
- Relative luminance: 0.7288
- Nearest named color: Electric Laser Lime (#26ff2a, Δ 1.394) — https://brandsweets.com/colors/electric-laser-lime
- Moods: vivid
- Page: https://brandsweets.com/colors/3dff40

## Tints & shades

- Tints (toward white): #52ff54, #61ff64, #75ff78, #85ff87, #99ff9b, #adffaf, #bdffbe, #d1ffd2, #e0ffe1, #f5fff5
- Shades (toward black): #1fff22, #00ff04, #00e604, #00c703, #00a803, #008a02, #006b02, #005201, #003301, #001400

## Harmonies

- Complementary: #ff3dfc
- Analogous: #9bff3d, #3dffa1
- Triadic: #403dff, #ff403d
- Split-complementary: #a13dff, #ff3d9b
- Tetradic: #3d9bff, #ff3dfc, #ffa13d

## Colors that go with #3dff40

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: complementary] — Violet sits directly opposite #3dff40 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
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #3dff40: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #3dff40: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Blue** #0000ff [pool] — Two real palettes: MongoDB's brand system and Robinhood's brand system put Blue beside #3dff40, 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
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #3dff40: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #3dff40: two real palettes: Remix's brand system and Prime Video's brand system, as the lead colour. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Lime Green** #32cd32 [pool] — Two real palettes: Duolingo's brand system and Monster Energy's brand system put Lime Green beside #3dff40, 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
- **Red** #ff0000 [pool] — Red is paired with #3dff40 in two real palettes: Gatorade's brand system and Wise's brand system, as the supporting colour. Seen in: Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/red

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

- On white (#ffffff): 1.35:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #008a02 (4.53:1); AA: background → #616161 (4.59:1); AAA: text → #006602 (7.24:1); AAA: background → #454545 (7.11:1)
- On black (#000000): 15.58:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Laser** (neon, vivid, dark, technical) — #39ff14, #bf00ff, #00e5ff, #07070d, #eefaf0 — Laser green, violet and cyan — the synthwave/gaming set; keep the type near-white and let one neon own each screen. — tool: https://brandsweets.com/palettes/new/39ff14-bf00ff-00e5ff-07070d-eefaf0 — collection: https://brandsweets.com/palettes/neon

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/3dff40-a2bea6-9b4edf-1f2d26-edf1e9?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: "#3dff40" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.