# #4ecee4

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

## Values

- Hex: `#4ecee4`
- RGB: rgb(78, 206, 228)
- HSL: hsl(189, 74%, 60%)
- OKLCH: oklch(0.79 0.114 211)
- Relative luminance: 0.5136
- Nearest named color: mediumturquoise (#48d1cc, Δ 3.915) — https://brandsweets.com/colors/mediumturquoise
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/4ecee4

## Tints & shades

- Tints (toward white): #5fd3e7, #71d8ea, #7edbec, #90e0ee, #a2e5f1, #b4eaf4, #c5eff6, #d3f3f8, #e4f8fb, #f6fdfe
- Shades (toward black): #33c6e1, #20bed9, #1da6bf, #1993a9, #157c8e, #116573, #0e515d, #0a3a43, #07272c, #030f12

## Harmonies

- Complementary: #e4644e
- Analogous: #4ee4b0, #4e82e4
- Triadic: #e44ece, #cee44e
- Split-complementary: #e44e82, #e4b04e
- Tetradic: #b04ee4, #e4644e, #82e44e

## Colors that go with #4ecee4

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 #4ecee4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Vimeo (https://brandsweets.com/colors/brands/vimeo-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #4ecee4 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 #4ecee4 in 5 real palettes, including Riot Games's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-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
- **Dark Orange** #ff8c00 [harmony, pool: split] — Dark Orange is a split-complement of #4ecee4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: PayPal (https://brandsweets.com/colors/brands/paypal-com), Learning App (https://brandsweets.com/palettes/playful#learning-app), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/darkorange
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #4ecee4: 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 Confluent's brand system put Midnight Blue beside #4ecee4, as the text colour against it. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), Confluent (https://brandsweets.com/colors/brands/confluent-io), First Snow (https://brandsweets.com/palettes/cool#first-snow), Kraken (https://brandsweets.com/colors/brands/kraken-com). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #4ecee4: 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), Calendly (https://brandsweets.com/colors/brands/calendly-com), Steam (https://brandsweets.com/colors/brands/steampowered-com). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #4ecee4 in 6 real palettes, including Telehealth and 1password's brand system, as the lead colour. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), 1password (https://brandsweets.com/colors/brands/1password-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 1.86:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #168092 (4.63:1); AA: background → #4d4d4d (4.54:1); AAA: text → #11616f (7.09:1); AAA: background → #303030 (7.08:1)
- On black (#000000): 11.27:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/4ecee4-a2b7be-df4e7e-1f252d-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: "#4ecee4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.