# #18e2b3

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

## Values

- Hex: `#18e2b3`
- RGB: rgb(24, 226, 179)
- HSL: hsl(166, 81%, 49%)
- OKLCH: oklch(0.813 0.158 170.3)
- Relative luminance: 0.5784
- Nearest named color: Aquamarine (#2ee8bb, Δ 1.962) — https://brandsweets.com/colors/aquamarine-2
- Moods: vivid
- Page: https://brandsweets.com/colors/18e2b3

## Tints & shades

- Tints (toward white): #2be9bc, #42ebc4, #59eecb, #70f0d2, #87f2d9, #99f4df, #b1f7e6, #c8f9ee, #dffcf5, #f6fefc
- Shades (toward black): #16d0a4, #13b992, #11a683, #0f8f71, #0d7d63, #0b6650, #095342, #063c2f, #042a21, #02120f

## Harmonies

- Complementary: #e21847
- Analogous: #18e24e, #18ace2
- Triadic: #b318e2, #e2b318
- Split-complementary: #e218ac, #e24e18
- Tetradic: #4e18e2, #e21847, #ace218

## Colors that go with #18e2b3

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #18e2b3: 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), UEFA (https://brandsweets.com/colors/brands/uefa-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #18e2b3 in 4 real palettes, including Docker's brand system and Khan Academy's brand system, as the supporting colour. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #18e2b3 in 9 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), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Mint Chip (https://brandsweets.com/palettes/light#mint-chip). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony: complementary] — Hot Pink sits directly opposite #18e2b3 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
- **Blue** #0000ff [pool] — 3 real palettes, including Canva's brand system and MongoDB's brand system put Blue beside #18e2b3, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #18e2b3 in 3 real palettes, including Formula 1's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #18e2b3: 3 real palettes, including Prime Video's brand system and Astro's brand system, as the supporting colour. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Astro (https://brandsweets.com/colors/brands/astro-build), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #18e2b3: 3 real palettes, including Unity's brand system and Bluesky Social's brand system, as the lead colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Bluesky Social (https://brandsweets.com/colors/brands/bsky-app), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 1.67:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0e866a (4.53:1); AA: background → #545454 (4.53:1); AAA: text → #0a614d (7.42:1); AAA: background → #383838 (7.02:1)
- On black (#000000): 12.57:1 — 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/18e2b3-a2bebb-d459b1-1f2a2d-e9f1ec?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: "#18e2b3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.