# #78ef2e

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

## Values

- Hex: `#78ef2e`
- RGB: rgb(120, 239, 46)
- HSL: hsl(97, 86%, 56%)
- OKLCH: oklch(0.849 0.241 136.8)
- Relative luminance: 0.6592
- Nearest named color: Becquerel (#4bec13, Δ 3.514) — https://brandsweets.com/colors/becquerel
- Moods: vivid
- Page: https://brandsweets.com/colors/78ef2e

## Tints & shades

- Tints (toward white): #85f141, #91f254, #a0f46c, #acf57f, #b9f792, #c5f8a5, #d1fab8, #e0fbd0, #edfde3, #f9fef6
- Shades (toward black): #69ee17, #5eda10, #52be0e, #47a60c, #3d8e0b, #337709, #295f07, #1d4205, #122b03, #081301

## Harmonies

- Complementary: #a52eef
- Analogous: #d9ef2e, #2eef45
- Triadic: #2e78ef, #ef2e78
- Split-complementary: #452eef, #ef2ed9
- Tetradic: #2ed9ef, #a52eef, #ef452e

## Colors that go with #78ef2e

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #78ef2e — 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), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/deepskyblue
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #78ef2e 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #78ef2e: 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
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #78ef2e: 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 #78ef2e, 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
- **Lime Green** #32cd32 [pool] — Two real palettes: Monster Energy's brand system and Duolingo's brand system put Lime Green beside #78ef2e, as the accent. Seen in: Monster Energy (https://brandsweets.com/colors/brands/monsterenergy-com), Duolingo (https://brandsweets.com/colors/brands/duolingo). — https://brandsweets.com/colors/limegreen
- **Red** #ff0000 [pool] — Red is paired with #78ef2e 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
- **Lilac** #c8a2c8 [harmony: split] — Lilac is a split-complement of #78ef2e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lilac

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

- On white (#ffffff): 1.48:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #39850a (4.63:1); AA: background → #5c5c5c (4.52:1); AAA: text → #2b6407 (7.17:1); AAA: background → #404040 (7:1)
- On black (#000000): 14.18:1 — 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/78ef2e-a9bea2-624edf-1f2d20-f0f1e9?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: "#78ef2e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.