# #4ef91f

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

## Values

- Hex: `#4ef91f`
- RGB: rgb(78, 249, 31)
- HSL: hsl(107, 95%, 55%)
- OKLCH: oklch(0.861 0.273 140.6)
- Relative luminance: 0.6947
- Nearest named color: Electric Laser Lime (#26ff2a, Δ 1.795) — https://brandsweets.com/colors/electric-laser-lime
- Moods: vivid
- Page: https://brandsweets.com/colors/4ef91f

## Tints & shades

- Tints (toward white): #5efa33, #72fa4c, #81fb60, #91fb74, #a5fc8d, #b4fda1, #c4fdb4, #d4fec8, #e7fee1, #f7fff5
- Shades (toward black): #3bf906, #35e006, #2fc705, #29ae04, #239504, #1c7703, #165e02, #104602, #0b2d01, #051401

## Harmonies

- Complementary: #ca1ff9
- Analogous: #bbf91f, #1ff95d
- Triadic: #1f4ef9, #f91f4e
- Split-complementary: #5d1ff9, #f91fbb
- Tetradic: #1fbbf9, #ca1ff9, #f95d1f

## Colors that go with #4ef91f

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 #4ef91f 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
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #4ef91f — 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), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #4ef91f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Blue** #0000ff [pool] — Two real palettes: MongoDB's brand system and Robinhood's brand system put Blue beside #4ef91f, 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 #4ef91f: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony: split] — Lilac is a split-complement of #4ef91f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lilac
- **Red** #ff0000 [pool] — Red is paired with #4ef91f 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
- **Light Coral** #f08080 [harmony: triadic] — Light Coral completes a triad with #4ef91f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/lightcoral

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

- On white (#ffffff): 1.41:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #208603 (4.7:1); AA: background → #5e5e5e (4.6:1); AAA: text → #186303 (7.43:1); AAA: background → #424242 (7.13:1)
- On black (#000000): 14.89:1 — 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/4ef91f-a5bea2-7a4edf-1f2d22-eff1e9?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: "#4ef91f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.