# #3fe4cb

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

## Values

- Hex: `#3fe4cb`
- RGB: rgb(63, 228, 203)
- HSL: hsl(171, 75%, 57%)
- OKLCH: oklch(0.83 0.137 180.2)
- Relative luminance: 0.6086
- Nearest named color: Ice Climber (#25e2cd, Δ 1.146) — https://brandsweets.com/colors/ice-climber
- Moods: vivid
- Page: https://brandsweets.com/colors/3fe4cb

## Tints & shades

- Tints (toward white): #51e6d0, #63e9d5, #75ebd9, #87eede, #9df1e4, #aff4e9, #c1f6ee, #d2f9f3, #e4fbf8, #f6fefd
- Shades (toward black): #29e0c5, #1dcdb3, #1ab79f, #17a18c, #148a79, #107061, #0d594e, #0a433a, #062823, #031210

## Harmonies

- Complementary: #e43f58
- Analogous: #3fe479, #3faae4
- Triadic: #cb3fe4, #e4cb3f
- Split-complementary: #e43faa, #e4793f
- Tetradic: #793fe4, #e43f58, #aae43f

## Colors that go with #3fe4cb

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 #3fe4cb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Docker (https://brandsweets.com/colors/brands/docker-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #3fe4cb in 4 real palettes, including Formula 1's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #3fe4cb: 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), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #3fe4cb in 10 real palettes, including Astro's brand system and Crayon Box, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/taupe
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #3fe4cb 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
- **Plum** #dda0dd [harmony, pool: triadic] — Plum completes a triad with #3fe4cb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Blossom (https://brandsweets.com/palettes/light#blossom), Netlify (https://brandsweets.com/colors/brands/netlify-com). — https://brandsweets.com/colors/plum
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #3fe4cb: 3 real palettes, including Mint Chip and Oatly's brand system, as the accent. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Oatly (https://brandsweets.com/colors/brands/oatly-com), Still Water (https://brandsweets.com/palettes/cool#still-water). — https://brandsweets.com/colors/wheat
- **Dark Orange** #ff8c00 [harmony, pool: triadic] — Dark Orange completes a triad with #3fe4cb — 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). — https://brandsweets.com/colors/darkorange

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

- On white (#ffffff): 1.59:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #128171 (4.77:1); AA: background → #575757 (4.53:1); AAA: text → #0e6256 (7.24:1); AAA: background → #3b3b3b (7.03:1)
- On black (#000000): 13.17:1 — 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/3fe4cb-a2bebd-d459a7-1f292d-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: "#3fe4cb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.