# #59cfcb

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

## Values

- Hex: `#59cfcb`
- RGB: rgb(89, 207, 203)
- HSL: hsl(178, 55%, 58%)
- OKLCH: oklch(0.787 0.106 192.2)
- Relative luminance: 0.5106
- Nearest named color: mediumturquoise (#48d1cc, Δ 1.044) — https://brandsweets.com/colors/mediumturquoise
- Moods: neutral
- Page: https://brandsweets.com/colors/59cfcb

## Tints & shades

- Tints (toward white): #69d3d0, #79d8d5, #88ddda, #98e1df, #a8e6e4, #b8eae9, #c8efee, #d7f4f3, #e7f8f8, #f7fdfd
- Shades (toward black): #45c9c5, #36bab5, #30a6a2, #298e8b, #247b78, #1e6764, #174f4d, #113b3a, #0a2423, #05100f

## Harmonies

- Complementary: #cf595d
- Analogous: #59cf90, #5998cf
- Triadic: #cb59cf, #cfcb59
- Split-complementary: #cf5998, #cf9059
- Tetradic: #9059cf, #cf595d, #98cf59

## Colors that go with #59cfcb

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 #59cfcb: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Canopy (https://brandsweets.com/palettes/cool#canopy), Coastal (https://brandsweets.com/palettes/cool#coastal), Vimeo (https://brandsweets.com/colors/brands/vimeo-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #59cfcb's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Max (https://brandsweets.com/colors/brands/max-com), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Light Coral** #f08080 [harmony, pool: complementary] — Light Coral sits directly opposite #59cfcb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightcoral
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Uber's brand system put Blue beside #59cfcb, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Uber (https://brandsweets.com/colors/brands/uber-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #59cfcb 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
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #59cfcb: 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), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/dodgerblue
- **Plum** #dda0dd [harmony, pool: triadic] — Plum completes a triad with #59cfcb — 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), Mercury (https://brandsweets.com/colors/brands/mercury-com). — https://brandsweets.com/colors/plum
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #59cfcb in 6 real palettes, including Docker's brand system and Khan Academy's brand system, as the supporting colour. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 1.87:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #26827f (4.58:1); AA: background → #4d4d4d (4.51:1); AAA: text → #1c5f5d (7.38:1); AAA: background → #303030 (7.05:1)
- On black (#000000): 11.21:1 — 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/59cfcb-a2bcbe-d45999-1f282d-e9f1ed?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: "#59cfcb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.