# #12ed99

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

## Values

- Hex: `#12ed99`
- RGB: rgb(18, 237, 153)
- HSL: hsl(157, 86%, 50%)
- OKLCH: oklch(0.835 0.191 158.6)
- Relative luminance: 0.63
- Nearest named color: Grotesque Green (#64e986, Δ 3.189) — https://brandsweets.com/colors/grotesque-green
- Moods: vivid
- Page: https://brandsweets.com/colors/12ed99

## Tints & shades

- Tints (toward white): #2aefa3, #41f1ad, #54f2b6, #6cf4c0, #84f6ca, #9bf8d4, #b3f9de, #c6fbe7, #defdf1, #f6fefb
- Shades (toward black): #10d58a, #0fc27e, #0dab6e, #0b9862, #0a8053, #086843, #065537, #053e28, #032b1c, #01130c

## Harmonies

- Complementary: #ed1266
- Analogous: #12ed2b, #12d4ed
- Triadic: #9912ed, #ed9912
- Split-complementary: #ed12d4, #ed2b12
- Tetradic: #2b12ed, #ed1266, #d4ed12

## Colors that go with #12ed99

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 #12ed99 in 6 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 #12ed99 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 #12ed99: 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 #12ed99: 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #12ed99 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 #12ed99: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightcoral
- **Yellow Green** #9acd32 [harmony, pool: analogous] — Yellow Green is #12ed99'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
- **Blue** #0000ff [pool] — Two real palettes: MongoDB's brand system and Minecraft's brand system put Blue beside #12ed99, 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

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

- On white (#ffffff): 1.54:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0a8556 (4.66:1); AA: background → #595959 (4.54:1); AAA: text → #076440 (7.23:1); AAA: background → #3d3d3d (7.03:1)
- On black (#000000): 13.6:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Remix** — accent #06ea8a (Δ 1.848) — https://brandsweets.com/colors/brands/remix-run
- **Prime Video** — accent #37f1a3 (Δ 1.907) — 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/12ed99-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: "#12ed99" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.