# #63cbd4

A color — cool, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#63cbd4`
- RGB: rgb(99, 203, 212)
- HSL: hsl(185, 57%, 61%)
- OKLCH: oklch(0.784 0.097 202.9)
- Relative luminance: 0.5012
- Nearest named color: Cyantific (#77c9c2, Δ 2.727) — https://brandsweets.com/colors/cyantific
- Moods: cool, modern
- Page: https://brandsweets.com/colors/63cbd4

## Tints & shades

- Tints (toward white): #73d0d9, #7fd4dc, #8fdae0, #9fdfe5, #afe4e9, #bbe8ec, #cbeef1, #dbf3f5, #e7f7f8, #f7fcfd
- Shades (toward black): #4bc3ce, #37bcc8, #30a5b0, #2a8f98, #247c84, #1e666c, #174f54, #10383c, #0b2628, #040f10

## Harmonies

- Complementary: #d46c63
- Analogous: #63d4a5, #6392d4
- Triadic: #d463cb, #cbd463
- Split-complementary: #d46392, #d4a563
- Tetradic: #a563d4, #d46c63, #92d463

## Colors that go with #63cbd4

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 #63cbd4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), UEFA (https://brandsweets.com/colors/brands/uefa-com), Harbour (https://brandsweets.com/palettes/cool#harbour), Vimeo (https://brandsweets.com/colors/brands/vimeo-com). — https://brandsweets.com/colors/charcoal
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #63cbd4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/darksalmon
- **Crimson** #dc143c [pool] — Crimson is paired with #63cbd4 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), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Formula 1 (https://brandsweets.com/colors/brands/formula1-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #63cbd4: 4 real palettes, including UEFA's brand system and Coca-Cola's brand system, as the accent. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #63cbd4: 4 real palettes, including Patreon's brand system and Opensea's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Opensea (https://brandsweets.com/colors/brands/opensea-io), Figma (https://brandsweets.com/colors/brands/figma), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Telehealth and First Snow put Midnight Blue beside #63cbd4, as the text colour against it. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), First Snow (https://brandsweets.com/palettes/cool#first-snow), Confluent (https://brandsweets.com/colors/brands/confluent-io), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/midnightblue
- **Plum** #dda0dd [harmony, pool: split] — Plum is a split-complement of #63cbd4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Netlify (https://brandsweets.com/colors/brands/netlify-com), Mercury (https://brandsweets.com/colors/brands/mercury-com), Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/plum
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #63cbd4: 5 real palettes, including Audible's brand system and First Snow, as the supporting colour. Seen in: Audible (https://brandsweets.com/colors/brands/audible-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Steam (https://brandsweets.com/colors/brands/steampowered-com). — https://brandsweets.com/colors/powderblue

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

- On white (#ffffff): 1.91:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #258088 (4.64:1); AA: background → #4a4a4a (4.65:1); AAA: text → #1d6268 (7:1); AAA: background → #2e2e2e (7.13:1)
- On black (#000000): 11.02:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/63cbd4-a2b8be-df4e88-1f262d-e9f1ee?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: "#63cbd4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.