# #66ebcc

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

## Values

- Hex: `#66ebcc`
- RGB: rgb(102, 235, 204)
- HSL: hsl(166, 77%, 66%)
- OKLCH: oklch(0.857 0.126 175.4)
- Relative luminance: 0.666
- Nearest named color: Aphrodite Aqua (#45e9c1, Δ 2.635) — https://brandsweets.com/colors/aphrodite-aqua
- Moods: vivid
- Page: https://brandsweets.com/colors/66ebcc

## Tints & shades

- Tints (toward white): #73edd0, #81efd5, #93f1db, #a0f3df, #aef4e4, #bbf6e8, #c9f8ed, #dbfaf3, #e8fcf7, #f6fefc
- Shades (toward black): #4ae8c3, #2fe4ba, #1cd4a9, #18b993, #159e7e, #118368, #0d6853, #09483a, #062d24, #02120e

## Harmonies

- Complementary: #eb6685
- Analogous: #66eb89, #66c7eb
- Triadic: #cc66eb, #ebcc66
- Split-complementary: #eb66c7, #eb8966
- Tetradic: #8966eb, #eb6685, #c7eb66

## Colors that go with #66ebcc

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 #66ebcc: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Docker (https://brandsweets.com/colors/brands/docker-com), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #66ebcc 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), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #66ebcc: 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 #66ebcc in 10 real palettes, including Astro's brand system and Mint Chip, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Blossom (https://brandsweets.com/palettes/light#blossom), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/taupe
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #66ebcc 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
- **Red** #ff0000 [pool] — Red is paired with #66ebcc in 3 real palettes, including Mattel's brand system and Gatorade's brand system, as the supporting colour. Seen in: Mattel (https://brandsweets.com/colors/brands/mattel-com), Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/red
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #66ebcc: 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
- **Violet** #ee82ee [harmony: split] — Violet is a split-complement of #66ebcc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/violet

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

- On white (#ffffff): 1.47:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #118368 (4.7:1); AA: background → #5c5c5c (4.56:1); AAA: text → #0d634f (7.2:1); AAA: background → #404040 (7.07:1)
- On black (#000000): 14.32:1 — 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/66ebcc-a2bebb-d459b1-1f2a2d-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: "#66ebcc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.