# #09dcd9

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

## Values

- Hex: `#09dcd9`
- RGB: rgb(9, 220, 217)
- HSL: hsl(179, 92%, 45%)
- OKLCH: oklch(0.809 0.138 193)
- Relative luminance: 0.5625
- Nearest named color: turquoise (#40e0d0, Δ 2.381) — https://brandsweets.com/colors/turquoise
- Moods: vivid
- Page: https://brandsweets.com/colors/09dcd9

## Tints & shades

- Tints (toward white): #0af5f1, #28f6f3, #40f7f4, #59f8f5, #76f9f7, #8efaf9, #a7fbfa, #bffcfb, #ddfefd, #f5fffe
- Shades (toward black): #08c9c6, #08b5b2, #07a29f, #068e8c, #057a78, #046260, #034e4d, #023b3a, #022727, #011413

## Harmonies

- Complementary: #dc090d
- Analogous: #09dc6f, #0976dc
- Triadic: #d909dc, #dcd909
- Split-complementary: #dc0976, #dc6f09
- Tetradic: #6f09dc, #dc090d, #76dc09

## Colors that go with #09dcd9

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 #09dcd9: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #09dcd9's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Astro (https://brandsweets.com/colors/brands/astro-build), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com). — https://brandsweets.com/colors/deepskyblue
- **Crimson** #dc143c [pool] — Crimson is paired with #09dcd9 in 4 real palettes, including Tiffany & Co.'s brand system and Formula 1's brand system, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #09dcd9: 4 real palettes, including Patreon's brand system and Bluesky Social's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Bluesky Social (https://brandsweets.com/colors/brands/bsky-app), Opensea (https://brandsweets.com/colors/brands/opensea-io), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/dodgerblue
- **Taupe** #483c32 [pool] — Taupe is paired with #09dcd9 in 10 real palettes, including Crayon Box and Mint Chip, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Astro (https://brandsweets.com/colors/brands/astro-build), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/taupe
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #09dcd9 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
- **Blue** #0000ff [pool] — 3 real palettes, including Canva's brand system and Uber's brand system put Blue beside #09dcd9, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Uber (https://brandsweets.com/colors/brands/uber-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue
- **Khaki** #f0e68c [pool] — 3 real palettes, including Pastel Pop and Nursery put Khaki beside #09dcd9, as the accent. Seen in: Pastel Pop (https://brandsweets.com/palettes/playful#pastel-pop), Nursery (https://brandsweets.com/palettes/light#nursery), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/khaki

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

- On white (#ffffff): 1.71:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #068482 (4.54:1); AA: background → #525252 (4.56:1); AAA: text → #046260 (7.19:1); AAA: background → #363636 (7.05:1)
- On black (#000000): 12.25:1 — 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/09dcd9-a2bbbe-d45996-1f272d-e9f1ed?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: "#09dcd9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.