# #28c8b3

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

## Values

- Hex: `#28c8b3`
- RGB: rgb(40, 200, 179)
- HSL: hsl(172, 67%, 47%)
- OKLCH: oklch(0.75 0.128 181.3)
- Relative luminance: 0.4501
- Nearest named color: Cockatoo (#58c8b6, Δ 2.541) — https://brandsweets.com/colors/cockatoo
- Moods: vivid
- Page: https://brandsweets.com/colors/28c8b3

## Tints & shades

- Tints (toward white): #33d7c1, #48dbc7, #5ddfce, #72e3d4, #8ce8dc, #a1ece2, #b7f1e9, #ccf5ef, #e1f9f6, #f6fdfc
- Shades (toward black): #24b7a4, #20a291, #1d9181, #198072, #166f63, #125950, #0e4841, #0b3731, #07221e, #03110f

## Harmonies

- Complementary: #c8283d
- Analogous: #28c862, #288dc8
- Triadic: #b328c8, #c8b328
- Split-complementary: #c8288d, #c86228
- Tetradic: #6228c8, #c8283d, #8dc828

## Colors that go with #28c8b3

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 #28c8b3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Docker (https://brandsweets.com/colors/brands/docker-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Unity's brand system put Blue beside #28c8b3, 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), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #28c8b3 in 4 real palettes, including Khan Academy's brand system and Docker's brand system, as the accent. Seen in: Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Docker (https://brandsweets.com/colors/brands/docker-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #28c8b3 in 15 real palettes, including Crayon Box and Resort, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Resort (https://brandsweets.com/palettes/light#resort), Chime (https://brandsweets.com/colors/brands/chime-com), Polaroid (https://brandsweets.com/palettes/light#polaroid). — https://brandsweets.com/colors/taupe
- **Tomato** #ff6347 [pool] — 4 real palettes, including Crayon Box and Fresh Juice put Tomato beside #28c8b3, as the lead colour. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Lido (https://brandsweets.com/palettes/vivid#lido), Raycast (https://brandsweets.com/colors/brands/raycast). — https://brandsweets.com/colors/tomato
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #28c8b3: 5 real palettes, including Resort and Mint Chip, as the accent. Seen in: Resort (https://brandsweets.com/palettes/light#resort), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Oatly (https://brandsweets.com/colors/brands/oatly-com), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch). — https://brandsweets.com/colors/wheat
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #28c8b3 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/lightcoral
- **Burlywood** #deb887 [pool] — Burlywood is paired with #28c8b3 in 3 real palettes, including Polaroid and Chalkboard, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/burlywood

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

- On white (#ffffff): 2.1:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1a8476 (4.56:1); AA: background → #454545 (4.57:1); AAA: text → #136257 (7.21:1); AAA: background → #262626 (7.21:1)
- On black (#000000): 10:1 — 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/28c8b3-a2bebe-d459a5-1f292d-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: "#28c8b3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.