# #42e718

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

## Values

- Hex: `#42e718`
- RGB: rgb(66, 231, 24)
- HSL: hsl(108, 81%, 50%)
- OKLCH: oklch(0.812 0.26 140.9)
- Relative luminance: 0.5838
- Nearest named color: Becquerel (#4bec13, Δ 1.537) — https://brandsweets.com/colors/becquerel
- Moods: vivid
- Page: https://brandsweets.com/colors/42e718

## Tints & shades

- Tints (toward white): #54e92f, #67ec46, #77ee59, #8af070, #9cf287, #aff59e, #c2f7b5, #d2f9c8, #e4fcdf, #f7fef6
- Shades (toward black): #3bd016, #36bd14, #2fa611, #2a9410, #237d0d, #1d660b, #185309, #113c06, #0c2a04, #051202

## Harmonies

- Complementary: #bd18e7
- Analogous: #a9e718, #18e756
- Triadic: #1842e7, #e71842
- Split-complementary: #5618e7, #e718a9
- Tetradic: #18a9e7, #bd18e7, #e75618

## Colors that go with #42e718

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 #42e718 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #42e718 in 6 real palettes, including 7-Eleven's brand system and WhatsApp's brand system, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Acer (https://brandsweets.com/colors/brands/acer-com). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #42e718 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
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #42e718 in 3 real palettes, including Learning App and Playground, as the accent. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Playground (https://brandsweets.com/palettes/bold#playground), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/darkorange
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #42e718: 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 Minecraft's brand system put Blue beside #42e718, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #42e718: 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 #42e718: 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): 1.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #26860e (4.67:1); AA: background → #545454 (4.57:1); AAA: text → #1d660b (7.1:1); AAA: background → #383838 (7.08:1)
- On black (#000000): 12.68:1 — 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/42e718-a4bea2-7c4edf-1f2d23-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: "#42e718" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.