# #66e1bc

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

## Values

- Hex: `#66e1bc`
- RGB: rgb(102, 225, 188)
- HSL: hsl(162, 67%, 64%)
- OKLCH: oklch(0.829 0.123 170.8)
- Relative luminance: 0.6031
- Nearest named color: Aphrodite Aqua (#45e9c1, Δ 2.492) — https://brandsweets.com/colors/aphrodite-aqua
- Moods: vivid
- Page: https://brandsweets.com/colors/66e1bc

## Tints & shades

- Tints (toward white): #72e3c1, #84e7c9, #90e9ce, #a1ecd6, #aeefdc, #bbf2e1, #ccf5e9, #d9f7ee, #eafbf6, #f6fdfb
- Shades (toward black): #4cdcb1, #33d7a5, #27c495, #22aa81, #1d916e, #18775b, #135e47, #0d4434, #082b20, #03110d

## Harmonies

- Complementary: #e1668b
- Analogous: #66e17e, #66c8e1
- Triadic: #bc66e1, #e1bc66
- Split-complementary: #e166c8, #e17e66
- Tetradic: #7e66e1, #e1668b, #c8e166

## Colors that go with #66e1bc

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 #66e1bc: 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), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #66e1bc in 4 real palettes, including Tiffany & Co.'s brand system and Formula 1's brand system, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-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 #66e1bc: 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 #66e1bc in 12 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), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony: complementary] — Hot Pink sits directly opposite #66e1bc 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/hotpink
- **Red** #ff0000 [pool] — Red is paired with #66e1bc 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 #66e1bc: 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 #66e1bc: 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): 1.61:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1a8464 (4.64:1); AA: background → #545454 (4.71:1); AAA: text → #13624a (7.31:1); AAA: background → #383838 (7.29:1)
- On black (#000000): 13.06:1 — 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/66e1bc-a2beb9-d459b9-1f2b2d-e9f1eb?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: "#66e1bc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.