# #a4e9ea

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

## Values

- Hex: `#a4e9ea`
- RGB: rgb(164, 233, 234)
- HSL: hsl(181, 62%, 78%)
- OKLCH: oklch(0.889 0.069 197.1)
- Relative luminance: 0.7211
- Nearest named color: Blizzard Blue (#a3e3ed, Δ 1.826) — https://brandsweets.com/colors/blizzard-blue
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/a4e9ea

## Tints & shades

- Tints (toward white): #acebec, #b5edee, #bdefef, #c5f1f1, #cdf3f3, #d6f5f5, #def7f7, #e6f9f9, #eefbfb, #f7fdfd
- Shades (toward black): #87e1e3, #66d9db, #49d2d4, #2fc4c6, #28a7a9, #218b8c, #196a6b, #124d4e, #0b2d2d, #041011

## Harmonies

- Complementary: #eaa5a4
- Analogous: #a4eac8, #a4c6ea
- Triadic: #eaa4e9, #e9eaa4
- Split-complementary: #eaa4c6, #eac8a4
- Tetradic: #c8a4ea, #eaa5a4, #c6eaa4

## Colors that go with #a4e9ea

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 #a4e9ea: softer than #000 and cool enough to feel like part of the same palette. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony, pool: split] — Lilac is a split-complement of #a4e9ea: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk). — https://brandsweets.com/colors/lilac
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #a4e9ea on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Polaroid (https://brandsweets.com/palettes/light#polaroid). — https://brandsweets.com/colors/darksalmon
- **Amber** #ffbf00 [pool] — Amber is paired with #a4e9ea in 5 real palettes, including Salesforce's brand system and Blueprint, as the accent. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Ember (https://brandsweets.com/palettes/bold#ember). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Uber's brand system and Dropbox's brand system put Blue beside #a4e9ea, as the accent. Seen in: Uber (https://brandsweets.com/colors/brands/uber-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Binance (https://brandsweets.com/colors/brands/binance-com). — https://brandsweets.com/colors/blue
- **Brown** #a52a2a [pool] — 4 real palettes, including Woodsmoke and Typewriter put Brown beside #a4e9ea, as the accent. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Typewriter (https://brandsweets.com/palettes/editorial#typewriter), Velvet (https://brandsweets.com/palettes/luxury#velvet), Garnet (https://brandsweets.com/palettes/warm#garnet). — https://brandsweets.com/colors/brown
- **Burlywood** #deb887 [pool] — Burlywood is paired with #a4e9ea in 6 real palettes, including Coastal and Chalkboard, as the accent. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #a4e9ea: 6 real palettes, including Estate and Coastal, as the supporting colour. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Coastal (https://brandsweets.com/palettes/cool#coastal), Dusk (https://brandsweets.com/palettes/cool#dusk), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue

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

- On white (#ffffff): 1.36:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1f8384 (4.53:1); AA: background → #616161 (4.55:1); AAA: text → #176263 (7.09:1); AAA: background → #454545 (7.04:1)
- On black (#000000): 15.42:1 — 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
- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a4e9ea-a2babe-d45992-1f272d-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: "#a4e9ea" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.