# #63cfb2

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

## Values

- Hex: `#63cfb2`
- RGB: rgb(99, 207, 178)
- HSL: hsl(164, 53%, 60%)
- OKLCH: oklch(0.783 0.109 173.4)
- Relative luminance: 0.5049
- Nearest named color: mediumaquamarine (#66cdaa, Δ 1.051) — https://brandsweets.com/colors/mediumaquamarine
- Moods: neutral
- Page: https://brandsweets.com/colors/63cfb2

## Tints & shades

- Tints (toward white): #73d4ba, #82d9c2, #8edcc7, #9de1cf, #ade6d7, #bdebde, #ccefe6, #d8f3ec, #e8f8f3, #f7fdfb
- Shades (toward black): #4cc8a7, #3bbf9c, #34a889, #2e9479, #267d66, #1f6553, #195243, #123b30, #0c2720, #05100d

## Harmonies

- Complementary: #cf6380
- Analogous: #63cf7c, #63b6cf
- Triadic: #b263cf, #cfb263
- Split-complementary: #cf63b6, #cf7c63
- Tetradic: #7c63cf, #cf6380, #b6cf63

## Colors that go with #63cfb2

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 #63cfb2: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Canopy (https://brandsweets.com/palettes/cool#canopy), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Plum** #dda0dd [harmony, pool: complementary] — Plum sits directly opposite #63cfb2 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Netlify (https://brandsweets.com/colors/brands/netlify-com), Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/plum
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Uber's brand system put Blue beside #63cfb2, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Uber (https://brandsweets.com/colors/brands/uber-com), Unity (https://brandsweets.com/colors/brands/unity-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #63cfb2 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #63cfb2: 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
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Crayon Box and Fresh Juice put Mustard Yellow beside #63cfb2, as the accent. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/mustard
- **Slate Gray** #708090 [pool] — 8 real palettes, including Ledger Dark and Still Water put Slate Gray beside #63cfb2, as the supporting colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Still Water (https://brandsweets.com/palettes/cool#still-water), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/slategray
- **Taupe** #483c32 [pool] — Taupe is paired with #63cfb2 in 27 real palettes, including Crayon Box and Rain Garden, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Resort (https://brandsweets.com/palettes/light#resort). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 1.89:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #29856c (4.5:1); AA: background → #4a4a4a (4.68:1); AAA: text → #1e6250 (7.2:1); AAA: background → #2e2e2e (7.18:1)
- On black (#000000): 11.1:1 — 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/63cfb2-a2beba-d459b5-1f2b2d-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: "#63cfb2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.