# #3fd5cd

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

## Values

- Hex: `#3fd5cd`
- RGB: rgb(63, 213, 205)
- HSL: hsl(177, 64%, 54%)
- OKLCH: oklch(0.795 0.123 189.7)
- Relative luminance: 0.5305
- Nearest named color: mediumturquoise (#48d1cc, Δ 1.105) — https://brandsweets.com/colors/mediumturquoise
- Moods: vivid
- Page: https://brandsweets.com/colors/3fd5cd

## Tints & shades

- Tints (toward white): #4fd8d2, #64ddd7, #75e1db, #8ae5e1, #9be9e5, #abede9, #c0f1ef, #d1f5f3, #e6f9f9, #f7fdfd
- Shades (toward black): #2dcdc5, #28b8b1, #24a39d, #1f8e89, #1b7975, #166460, #114f4c, #0d3b38, #082624, #041110

## Harmonies

- Complementary: #d53f46
- Analogous: #3fd582, #3f91d5
- Triadic: #cd3fd5, #d5cd3f
- Split-complementary: #d53f91, #d5823f
- Tetradic: #823fd5, #d53f46, #91d53f

## Colors that go with #3fd5cd

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 #3fd5cd: 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), Canopy (https://brandsweets.com/palettes/cool#canopy), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #3fd5cd'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), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Light Coral** #f08080 [harmony, pool: complementary] — Light Coral sits directly opposite #3fd5cd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightcoral
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Uber's brand system put Blue beside #3fd5cd, 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), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #3fd5cd in 4 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), 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 #3fd5cd: 5 real palettes, including Patreon's brand system and Opensea's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Opensea (https://brandsweets.com/colors/brands/opensea-io), Unity (https://brandsweets.com/colors/brands/unity-com), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/dodgerblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #3fd5cd in 4 real palettes, including Docker's brand system and Khan Academy's brand system, as the supporting colour. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #3fd5cd in 15 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), Boeing (https://brandsweets.com/colors/brands/boeing-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 1.81:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1c827d (4.63:1); AA: background → #4f4f4f (4.53:1); AAA: text → #15605c (7.34:1); AAA: background → #303030 (7.3:1)
- On black (#000000): 11.61:1 — 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/3fd5cd-a2bcbe-d4599b-1f282d-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: "#3fd5cd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.