# #4eff47

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

## Values

- Hex: `#4eff47`
- RGB: rgb(78, 255, 71)
- HSL: hsl(118, 100%, 64%)
- OKLCH: oklch(0.878 0.263 142.5)
- Relative luminance: 0.7359
- Nearest named color: Cathode Green (#00ff55, Δ 1.804) — https://brandsweets.com/colors/cathode-green
- Moods: vivid
- Page: https://brandsweets.com/colors/4eff47

## Tints & shades

- Tints (toward white): #5cff57, #70ff6b, #7fff7a, #93ff8f, #a1ff9e, #b0ffad, #c4ffc2, #d3ffd1, #e6ffe5, #f5fff5
- Shades (toward black): #30ff29, #12ff0a, #08eb00, #07cc00, #06ad00, #058f00, #047000, #035200, #023300, #011400

## Harmonies

- Complementary: #f947ff
- Analogous: #a9ff47, #47ff9d
- Triadic: #474eff, #ff474e
- Split-complementary: #9d47ff, #ff47a9
- Tetradic: #47a9ff, #f947ff, #ff9d47

## Colors that go with #4eff47

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 #4eff47 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 #4eff47: 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 #4eff47, 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 #4eff47: 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 #4eff47: 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 #4eff47, 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
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #4eff47: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Red** #ff0000 [pool] — Red is paired with #4eff47 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): 1.34:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #058a00 (4.52:1); AA: background → #616161 (4.64:1); AAA: text → #036600 (7.23:1); AAA: background → #454545 (7.18:1)
- On black (#000000): 15.72:1 — 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/4eff47-a2bea4-944edf-1f2d25-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: "#4eff47" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.