# #28d2b3

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

## Values

- Hex: `#28d2b3`
- RGB: rgb(40, 210, 179)
- HSL: hsl(169, 68%, 49%)
- OKLCH: oklch(0.775 0.138 176.3)
- Relative luminance: 0.498
- Nearest named color: mediumaquamarine (#66cdaa, Δ 3.212) — https://brandsweets.com/colors/mediumaquamarine
- Moods: vivid
- Page: https://brandsweets.com/colors/28d2b3

## Tints & shades

- Tints (toward white): #3ad9bc, #4fdec3, #65e2cb, #7ae6d2, #90ead9, #a1eddf, #b6f1e6, #ccf5ee, #e1f9f5, #f6fdfc
- Shades (toward black): #25c1a4, #21ab92, #1d9a83, #198571, #167463, #125e50, #0f4d42, #0b382f, #072721, #03110f

## Harmonies

- Complementary: #d22847
- Analogous: #28d25e, #289cd2
- Triadic: #b328d2, #d2b328
- Split-complementary: #d2289c, #d25e28
- Tetradic: #5e28d2, #d22847, #9cd228

## Colors that go with #28d2b3

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 #28d2b3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Canopy (https://brandsweets.com/palettes/cool#canopy), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Unity's brand system put Blue beside #28d2b3, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Unity (https://brandsweets.com/colors/brands/unity-com), Uber (https://brandsweets.com/colors/brands/uber-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #28d2b3 in 4 real palettes, including Tiffany & Co.'s brand system and Riot Games's brand system, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com). — https://brandsweets.com/colors/crimson
- **Taupe** #483c32 [pool] — Taupe is paired with #28d2b3 in 19 real palettes, including Crayon Box and Chime's brand system, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Chime (https://brandsweets.com/colors/brands/chime-com), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/taupe
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #28d2b3: 5 real palettes, including Mint Chip and Resort, as the accent. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Resort (https://brandsweets.com/palettes/light#resort), Oatly (https://brandsweets.com/colors/brands/oatly-com), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch). — https://brandsweets.com/colors/wheat
- **Hot Pink** #ff69b4 [harmony: complementary] — Hot Pink sits directly opposite #28d2b3 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
- **Burlywood** #deb887 [pool] — Burlywood is paired with #28d2b3 in 3 real palettes, including Polaroid and Coastal, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Coastal (https://brandsweets.com/palettes/cool#coastal), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/burlywood
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #28d2b3: 3 real palettes, including Astro's brand system and Prime Video's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 1.92:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #198571 (4.53:1); AA: background → #4a4a4a (4.63:1); AAA: text → #136354 (7.14:1); AAA: background → #2e2e2e (7.09:1)
- On black (#000000): 10.96:1 — 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/28d2b3-a2bebc-d459ab-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: "#28d2b3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.