# #09c3aa

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

## Values

- Hex: `#09c3aa`
- RGB: rgb(9, 195, 170)
- HSL: hsl(172, 91%, 40%)
- OKLCH: oklch(0.732 0.133 179.1)
- Relative luminance: 0.4199
- Nearest named color: Emerald Bliss (#4cbdac, Δ 2.817) — https://brandsweets.com/colors/emerald-bliss
- Moods: vivid
- Page: https://brandsweets.com/colors/09c3aa

## Tints & shades

- Tints (toward white): #0be0c4, #15f4d6, #2ef5db, #4bf7e0, #68f8e5, #85f9ea, #a2fbef, #bbfcf3, #d8fdf8, #f5fffd
- Shades (toward black): #08af99, #08a18c, #078d7b, #067f6f, #056b5e, #04584d, #034940, #03362f, #022722, #011311

## Harmonies

- Complementary: #c30922
- Analogous: #09c34d, #097fc3
- Triadic: #aa09c3, #c3aa09
- Split-complementary: #c3097f, #c34d09
- Tetradic: #4d09c3, #c30922, #7fc309

## Colors that go with #09c3aa

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 #09c3aa: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Docker (https://brandsweets.com/colors/brands/docker-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Hot Pink** #ff69b4 [harmony, pool: complementary] — Hot Pink sits directly opposite #09c3aa on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/hotpink
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Unity's brand system put Blue beside #09c3aa, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #09c3aa in 4 real palettes, including Riot Games's brand system and DuckDuckGo's brand system, as the supporting colour. Seen in: Riot Games (https://brandsweets.com/colors/brands/riotgames-com), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Fintech Trust and Ford's brand system put Midnight Blue beside #09c3aa, as the text colour against it. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Ford (https://brandsweets.com/colors/brands/ford-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), SoFi (https://brandsweets.com/colors/brands/sofi-com). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 5 real palettes, including Crayon Box and Fresh Juice put Mustard Yellow beside #09c3aa, as the accent. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Diner (https://brandsweets.com/palettes/vivid#diner), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #09c3aa 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 #09c3aa in 13 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), 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): 2.23:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #068473 (4.61:1); AA: background → #404040 (4.64:1); AAA: text → #056155 (7.37:1); AAA: background → #212121 (7.21:1)
- On black (#000000): 9.4:1 — 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/09c3aa-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: "#09c3aa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.