# #03c4aa

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

## Values

- Hex: `#03c4aa`
- RGB: rgb(3, 196, 170)
- HSL: hsl(172, 97%, 39%)
- OKLCH: oklch(0.734 0.134 178.6)
- Relative luminance: 0.424
- Nearest named color: Emerald Bliss (#4cbdac, Δ 3.014) — https://brandsweets.com/colors/emerald-bliss
- Moods: vivid
- Page: https://brandsweets.com/colors/03c4aa

## Tints & shades

- Tints (toward white): #03e2c4, #09fbdb, #27fcdf, #45fce4, #63fde8, #7cfdec, #9bfdf0, #b9fef5, #d7fef9, #f5fffe
- Shades (toward black): #03b59d, #02a18c, #02927f, #027e6d, #026f60, #015a4f, #014b41, #013730, #012823, #001411

## Harmonies

- Complementary: #c4031d
- Analogous: #03c44a, #037dc4
- Triadic: #aa03c4, #c4aa03
- Split-complementary: #c4037d, #c44a03
- Tetradic: #4a03c4, #c4031d, #7dc403

## Colors that go with #03c4aa

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 #03c4aa: 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 #03c4aa 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 #03c4aa, 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 #03c4aa 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
- **Mustard Yellow** #ffdb58 [pool] — 5 real palettes, including Crayon Box and Fresh Juice put Mustard Yellow beside #03c4aa, 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 #03c4aa 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 #03c4aa in 14 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
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #03c4aa: 4 real palettes, including Resort and Pine & Birch, as the accent. Seen in: Resort (https://brandsweets.com/palettes/light#resort), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Oatly (https://brandsweets.com/colors/brands/oatly-com), Mint Chip (https://brandsweets.com/palettes/light#mint-chip). — https://brandsweets.com/colors/wheat

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

- On white (#ffffff): 2.22:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #028371 (4.68:1); AA: background → #424242 (4.54:1); AAA: text → #026457 (7.09:1); AAA: background → #242424 (7.01:1)
- On black (#000000): 9.48:1 — 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/03c4aa-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: "#03c4aa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.