# #a4e9ef

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

## Values

- Hex: `#a4e9ef`
- RGB: rgb(164, 233, 239)
- HSL: hsl(185, 70%, 79%)
- OKLCH: oklch(0.89 0.069 202.8)
- Relative luminance: 0.724
- Nearest named color: Blizzard Blue (#a3e3ed, Δ 1.585) — https://brandsweets.com/colors/blizzard-blue
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/a4e9ef

## Tints & shades

- Tints (toward white): #adebf0, #b5edf2, #beeff4, #c7f1f5, #cff3f7, #d4f4f7, #dcf7f9, #e5f9fa, #eefbfc, #f6fdfd
- Shades (toward black): #86e1ea, #63d9e3, #45d1de, #25c6d4, #20aab6, #1a8993, #156d75, #0f4d52, #093034, #031011

## Harmonies

- Complementary: #efaaa4
- Analogous: #a4efd0, #a4c3ef
- Triadic: #efa4e9, #e9efa4
- Split-complementary: #efa4c3, #efd0a4
- Tetradic: #d0a4ef, #efaaa4, #c3efa4

## Colors that go with #a4e9ef

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 #a4e9ef: 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), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony, pool: split] — Lilac is a split-complement of #a4e9ef: 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 #a4e9ef 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 #a4e9ef 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 #a4e9ef, 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 Velvet put Brown beside #a4e9ef, as the accent. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Velvet (https://brandsweets.com/palettes/luxury#velvet), Typewriter (https://brandsweets.com/palettes/editorial#typewriter), Garnet (https://brandsweets.com/palettes/warm#garnet). — https://brandsweets.com/colors/brown
- **Burlywood** #deb887 [pool] — Burlywood is paired with #a4e9ef 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 #a4e9ef: 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 → #18818b (4.61:1); AA: background → #616161 (4.57:1); AAA: text → #126168 (7.15:1); AAA: background → #454545 (7.07:1)
- On black (#000000): 15.48:1 — 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/a4e9ef-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: "#a4e9ef" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.