# #03d3bb

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

## Values

- Hex: `#03d3bb`
- RGB: rgb(3, 211, 187)
- HSL: hsl(173, 97%, 42%)
- OKLCH: oklch(0.777 0.14 180.7)
- Relative luminance: 0.502
- Nearest named color: mediumturquoise (#48d1cc, Δ 3.528) — https://brandsweets.com/colors/mediumturquoise
- Moods: vivid
- Page: https://brandsweets.com/colors/03d3bb

## Tints & shades

- Tints (toward white): #04f1d5, #13fbe0, #31fce4, #4afce7, #68fdeb, #86fdef, #a0fef3, #befef7, #d7fefa, #f5fffe
- Shades (toward black): #03bfa9, #03ab97, #029c8a, #028878, #027466, #015f54, #014b43, #013c35, #012824, #001412

## Harmonies

- Complementary: #d3031b
- Analogous: #03d353, #0383d3
- Triadic: #bb03d3, #d3bb03
- Split-complementary: #d30383, #d35303
- Tetradic: #5303d3, #d3031b, #83d303

## Colors that go with #03d3bb

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 #03d3bb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Canopy (https://brandsweets.com/palettes/cool#canopy), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #03d3bb: 4 real palettes, including Astro's brand system and Prime Video's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #03d3bb 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), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/taupe
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #03d3bb: 4 real palettes, including Mint Chip and Resort, as the accent. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Resort (https://brandsweets.com/palettes/light#resort), Oatly (https://brandsweets.com/colors/brands/oatly-com), Still Water (https://brandsweets.com/palettes/cool#still-water). — https://brandsweets.com/colors/wheat
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #03d3bb 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 Unity's brand system put Blue beside #03d3bb, 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). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #03d3bb in 3 real palettes, including Tiffany & Co.'s brand system and Riot Games's brand system, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com). — https://brandsweets.com/colors/crimson
- **Dark Orange** #ff8c00 [harmony, pool: triadic] — Dark Orange completes a triad with #03d3bb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: PayPal (https://brandsweets.com/colors/brands/paypal-com), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/darkorange

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

- On white (#ffffff): 1.9:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #028374 (4.67:1); AA: background → #4a4a4a (4.66:1); AAA: text → #026459 (7.07:1); AAA: background → #2e2e2e (7.14:1)
- On black (#000000): 11.04:1 — 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/03d3bb-a2bebe-d459a3-1f292d-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: "#03d3bb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.