# #42fa7c

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

## Values

- Hex: `#42fa7c`
- RGB: rgb(66, 250, 124)
- HSL: hsl(139, 95%, 62%)
- OKLCH: oklch(0.868 0.223 149.1)
- Relative luminance: 0.7098
- Nearest named color: Experimintal Green (#4cff7b, Δ 1.545) — https://brandsweets.com/colors/experimintal-green
- Moods: vivid
- Page: https://brandsweets.com/colors/42fa7c

## Tints & shades

- Tints (toward white): #56fb8a, #65fb94, #79fca2, #88fcac, #9cfcba, #affdc8, #befdd2, #d2fee0, #e1feea, #f5fff8
- Shades (toward black): #24f968, #06f953, #06e04b, #05c241, #04a437, #03862d, #036823, #02501b, #013211, #011407

## Harmonies

- Complementary: #fa42c0
- Analogous: #64fa42, #42fad8
- Triadic: #7c42fa, #fa7c42
- Split-complementary: #d842fa, #fa4264
- Tetradic: #4264fa, #fa42c0, #fad842

## Colors that go with #42fa7c

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 #42fa7c 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 #42fa7c: 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #42fa7c: 3 real palettes, including 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), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #42fa7c: 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 #42fa7c: 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 #42fa7c, 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
- **Crimson** #dc143c [pool] — Crimson is paired with #42fa7c in two real palettes: Wise's brand system and Formula 1's brand system, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com). — https://brandsweets.com/colors/crimson
- **Lime Green** #32cd32 [pool] — Two real palettes: Duolingo's brand system and Monster Energy's brand system put Lime Green beside #42fa7c, 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

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

- On white (#ffffff): 1.38:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #03862d (4.72:1); AA: background → #5e5e5e (4.69:1); AAA: text → #036321 (7.47:1); AAA: background → #424242 (7.27:1)
- On black (#000000): 15.2:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Form Builder with AI Automation** — accent #00ff84 (Δ 1.563) — https://brandsweets.com/colors/brands/typeform-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/42fa7c-a2beae-c059d4-1f2d2a-ebf1e9?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: "#42fa7c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
