# #55fcdd

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

## Values

- Hex: `#55fcdd`
- RGB: rgb(85, 252, 221)
- HSL: hsl(169, 97%, 66%)
- OKLCH: oklch(0.898 0.143 177.9)
- Relative luminance: 0.7677
- Nearest named color: aquamarine (#7fffd4, Δ 3.041) — https://brandsweets.com/colors/aquamarine
- Moods: vivid
- Page: https://brandsweets.com/colors/55fcdd

## Tints & shades

- Tints (toward white): #63fde1, #72fde3, #86fde7, #96fdea, #a5feed, #b4fef0, #c3fef3, #d7fef7, #e6fffa, #f5fffd
- Shades (toward black): #36fcd8, #18fbd2, #04ecc1, #03cea9, #03b090, #029277, #02745f, #015042, #013229, #001410

## Harmonies

- Complementary: #fc5473
- Analogous: #54fc89, #54c7fc
- Triadic: #de54fc, #fcde54
- Split-complementary: #fc54c7, #fc8954
- Tetradic: #8954fc, #fc5473, #c7fc54

## Colors that go with #55fcdd

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 #55fcdd: 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), 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 #55fcdd: 5 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 #55fcdd in 5 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), Macaron (https://brandsweets.com/palettes/light#macaron), Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony: complementary] — Hot Pink sits directly opposite #55fcdd 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
- **Crimson** #dc143c [pool] — Crimson is paired with #55fcdd in 3 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). — https://brandsweets.com/colors/crimson
- **Plum** #dda0dd [harmony, pool: triadic] — Plum completes a triad with #55fcdd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Netlify (https://brandsweets.com/colors/brands/netlify-com), Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/plum
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #55fcdd: 3 real palettes, including Astro's brand system and Glacier, as the lead colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Glacier (https://brandsweets.com/palettes/cool#glacier), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/steelblue
- **Salmon** #fa8072 [harmony: split] — Salmon is a split-complement of #55fcdd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/salmon

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

- On white (#ffffff): 1.28:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #02836b (4.71:1); AA: background → #636363 (4.68:1); AAA: text → #026452 (7.13:1); AAA: background → #474747 (7.24:1)
- On black (#000000): 16.35:1 — 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/55fcdd-a2bebc-d459ab-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: "#55fcdd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.