# #a9eff4

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

## Values

- Hex: `#a9eff4`
- RGB: rgb(169, 239, 244)
- HSL: hsl(184, 77%, 81%)
- OKLCH: oklch(0.908 0.07 201.6)
- Relative luminance: 0.767
- Nearest named color: paleturquoise (#afeeee, Δ 0.915) — https://brandsweets.com/colors/paleturquoise
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/a9eff4

## Tints & shades

- Tints (toward white): #b2f1f5, #b7f1f6, #c0f3f7, #c9f5f8, #d2f7f9, #d6f7fa, #dff9fb, #e8fbfc, #edfcfd, #f6fdfe
- Shades (toward black): #85e8ef, #66e2eb, #41dbe6, #1dd5e2, #19b7c2, #15959e, #10737a, #0b5156, #073336, #021112

## Harmonies

- Complementary: #f4aea9
- Analogous: #a9f4d4, #a9caf4
- Triadic: #f4a9ef, #eff4a9
- Split-complementary: #f4a9ca, #f4d4a9
- Tetradic: #d4a9f4, #f4aea9, #caf4a9

## Colors that go with #a9eff4

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 #a9eff4: 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), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #a9eff4's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Calendly (https://brandsweets.com/colors/brands/calendly-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/deepskyblue
- **Plum** #dda0dd [harmony, pool: split] — Plum is a split-complement of #a9eff4: 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), Blossom (https://brandsweets.com/palettes/light#blossom), Mercury (https://brandsweets.com/colors/brands/mercury-com), NYX Cosmetics (https://brandsweets.com/colors/brands/nyxcosmetics-com). — https://brandsweets.com/colors/plum
- **Sand** #c2b280 [harmony, pool: triadic] — Sand completes a triad with #a9eff4 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Greige (https://brandsweets.com/palettes/neutral#greige), Sonos (https://brandsweets.com/colors/brands/sonos-com), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/sand
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #a9eff4 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), Spline (https://brandsweets.com/colors/brands/spline-design). — https://brandsweets.com/colors/darksalmon
- **Amber** #ffbf00 [pool] — Amber is paired with #a9eff4 in 21 real palettes, including Blueprint and Salesforce's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Ember (https://brandsweets.com/palettes/bold#ember). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 47 real palettes, including Uber's brand system and Dropbox's brand system put Blue beside #a9eff4, 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
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #a9eff4 in 12 real palettes, including Gemstone and ClickUp's brand system, as the supporting colour. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), ClickUp (https://brandsweets.com/colors/brands/clickup-com), Fly.io (https://brandsweets.com/colors/brands/fly-io), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 1.29:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #128087 (4.71:1); AA: background → #636363 (4.67:1); AAA: text → #0d6268 (7.08:1); AAA: background → #474747 (7.23:1)
- On black (#000000): 16.34:1 — 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/a9eff4-a2b9be-df4e8a-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: "#a9eff4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.