# #09c4ce

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#09c4ce`
- RGB: rgb(9, 196, 206)
- HSL: hsl(183, 92%, 42%)
- OKLCH: oklch(0.747 0.126 201.4)
- Relative luminance: 0.4399
- Nearest named color: darkturquoise (#00ced1, Δ 2.783) — https://brandsweets.com/colors/darkturquoise
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/09c4ce

## Tints & shades

- Tints (toward white): #0ae0eb, #19eaf5, #36edf7, #4feff8, #6cf2f9, #89f4fa, #a2f7fb, #bff9fc, #d8fbfd, #f5feff
- Shades (toward black): #08b1ba, #079ea6, #069198, #067e84, #056b71, #04595d, #034649, #02383b, #022527, #011314

## Harmonies

- Complementary: #ce1209
- Analogous: #09ce75, #0961ce
- Triadic: #ce09c4, #c4ce09
- Split-complementary: #ce0961, #ce7509
- Tetradic: #7509ce, #ce1209, #61ce09

## Colors that go with #09c4ce

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 #09c4ce: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Warp's brand system put Blue beside #09c4ce, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Unity (https://brandsweets.com/colors/brands/unity-com), Uber (https://brandsweets.com/colors/brands/uber-com). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [harmony, pool: split] — Dark Orange is a split-complement of #09c4ce: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: PayPal (https://brandsweets.com/colors/brands/paypal-com), Learning App (https://brandsweets.com/palettes/playful#learning-app), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #09c4ce: 4 real palettes, including UEFA's brand system and Coca-Cola's brand system, as the accent. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #09c4ce: 5 real palettes, including Patreon's brand system and Figma's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma), Opensea (https://brandsweets.com/colors/brands/opensea-io), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #09c4ce, as the lead colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Ford (https://brandsweets.com/colors/brands/ford-com), SoFi (https://brandsweets.com/colors/brands/sofi-com), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #09c4ce in 7 real palettes, including Confluent's brand system and Khan Academy's brand system, as the supporting colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Elastic (https://brandsweets.com/colors/brands/elastic-co), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #09c4ce in 10 real palettes, including Crayon Box and Cursor's brand system, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Cursor (https://brandsweets.com/colors/brands/cursor-com), Resort (https://brandsweets.com/palettes/light#resort), Polaroid (https://brandsweets.com/palettes/light#polaroid). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 2.14:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #068389 (4.55:1); AA: background → #424242 (4.69:1); AAA: text → #046267 (7.12:1); AAA: background → #262626 (7.06:1)
- On black (#000000): 9.8:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Canva** — primary #00c4cc (Δ 0.329) — https://brandsweets.com/colors/brands/canva-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/09c4ce-a2b9be-d4598e-1f262d-e9f1ee?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: "#09c4ce" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.