# #39efa9

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

## Values

- Hex: `#39efa9`
- RGB: rgb(57, 239, 169)
- HSL: hsl(157, 85%, 58%)
- OKLCH: oklch(0.847 0.173 161.7)
- Relative luminance: 0.6547
- Nearest named color: Hyperpop Green (#17f9a6, Δ 2.954) — https://brandsweets.com/colors/hyperpop-green
- Moods: vivid
- Page: https://brandsweets.com/colors/39efa9

## Tints & shades

- Tints (toward white): #4cf0b1, #5ff2b9, #71f4c2, #84f5ca, #97f7d2, #aaf8da, #bdfae2, #d0fbeb, #e3fdf3, #f6fefb
- Shades (toward black): #21ed9f, #12de90, #10c680, #0eaa6e, #0c925f, #0a7b4f, #085e3d, #06472e, #032a1c, #02130c

## Harmonies

- Complementary: #ef397f
- Analogous: #39ef4e, #39daef
- Triadic: #a939ef, #efa939
- Split-complementary: #ef39da, #ef4e39
- Tetradic: #4e39ef, #ef397f, #daef39

## Colors that go with #39efa9

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

- **Taupe** #483c32 [pool] — Taupe is paired with #39efa9 in 7 real palettes, including Astro's brand system and 7-Eleven's brand system, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Mint Chip (https://brandsweets.com/palettes/light#mint-chip). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony: complementary] — Hot Pink sits directly opposite #39efa9 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/hotpink
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #39efa9: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #39efa9 in 3 real palettes, including Formula 1's brand system and Wise's brand system, as the supporting colour. Seen in: Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Wise (https://brandsweets.com/colors/brands/wise-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #39efa9: 3 real palettes, including Prime Video's brand system and Remix's brand system, as the supporting colour. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Light Coral** #f08080 [harmony: split] — Light Coral is a split-complement of #39efa9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightcoral
- **Violet** #ee82ee [harmony: split] — Violet is a split-complement of #39efa9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/violet
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #39efa9 in two real palettes: Neon's brand system and Canopy, as the supporting colour. Seen in: Neon (https://brandsweets.com/colors/brands/neon-tech), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/hunter-green

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

- On white (#ffffff): 1.49:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0b8456 (4.72:1); AA: background → #595959 (4.7:1); AAA: text → #086340 (7.32:1); AAA: background → #3d3d3d (7.29:1)
- On black (#000000): 14.09:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Prime Video** — accent #37f1a3 (Δ 1.098) — https://brandsweets.com/colors/brands/primevideo-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/39efa9-a2beb7-d459c4-1f2c2d-e9f1ea?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: "#39efa9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.