# #39ef9a

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

## Values

- Hex: `#39ef9a`
- RGB: rgb(57, 239, 154)
- HSL: hsl(152, 85%, 58%)
- OKLCH: oklch(0.844 0.186 157.2)
- Relative luminance: 0.6494
- Nearest named color: Hyperpop Green (#17f9a6, Δ 2.635) — https://brandsweets.com/colors/hyperpop-green
- Moods: vivid
- Page: https://brandsweets.com/colors/39ef9a

## Tints & shades

- Tints (toward white): #4cf0a4, #5ff2ad, #71f4b7, #84f5c0, #97f7ca, #aaf8d4, #bdfadd, #d0fbe7, #e3fdf1, #f6fefa
- Shades (toward black): #21ed8e, #12de7f, #10c671, #0eaa61, #0c9254, #0a7b46, #085e36, #064728, #032a18, #02130b

## Harmonies

- Complementary: #ef398e
- Analogous: #39ef3f, #39e9ef
- Triadic: #9a39ef, #ef9a39
- Split-complementary: #ef39e9, #ef3f39
- Tetradic: #3f39ef, #ef398e, #e9ef39

## Colors that go with #39ef9a

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 #39ef9a in 4 real palettes, including 7-Eleven's brand system and Astro's brand system, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Astro (https://brandsweets.com/colors/brands/astro-build), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Chime (https://brandsweets.com/colors/brands/chime-com). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #39ef9a 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 text near-black for #39ef9a: 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #39ef9a: 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #39ef9a in 3 real palettes, including MongoDB's brand system and Docker's brand system, as the supporting colour. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Docker (https://brandsweets.com/colors/brands/docker-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Light Coral** #f08080 [harmony: split] — Light Coral is a split-complement of #39ef9a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightcoral
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #39ef9a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Yellow Green** #9acd32 [harmony, pool: analogous] — Yellow Green is #39ef9a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Monster Energy (https://brandsweets.com/colors/brands/monsterenergy-com). — https://brandsweets.com/colors/yellowgreen

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

- On white (#ffffff): 1.5:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0b844b (4.76:1); AA: background → #595959 (4.67:1); AAA: text → #086339 (7.36:1); AAA: background → #3d3d3d (7.23:1)
- On black (#000000): 13.99:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Prime Video** — accent #37f1a3 (Δ 1.092) — 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/39ef9a-a2beb4-d459ce-1f2d2d-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: "#39ef9a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.