# #a4efff

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

## Values

- Hex: `#a4efff`
- RGB: rgb(164, 239, 255)
- HSL: hsl(191, 100%, 82%)
- OKLCH: oklch(0.909 0.077 212.5)
- Relative luminance: 0.7685
- Nearest named color: Alpine Expedition (#99eeff, Δ 1.149) — https://brandsweets.com/colors/alpine-expedition
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/a4efff

## Tints & shades

- Tints (toward white): #adf0ff, #b3f1ff, #bdf3ff, #c2f4ff, #ccf6ff, #d6f8ff, #dbf8ff, #e5faff, #ebfbff, #f5fdff
- Shades (toward black): #7ae7ff, #52dfff, #2ed9ff, #05d1ff, #00b3db, #0092b3, #00708a, #005366, #00323d, #001114

## Harmonies

- Complementary: #ffb4a3
- Analogous: #a3ffe2, #a3c0ff
- Triadic: #ffa3ee, #eeffa3
- Split-complementary: #ffa3c0, #ffe2a3
- Tetradic: #e2a3ff, #ffb4a3, #c0ffa3

## Colors that go with #a4efff

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 #a4efff: 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), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/charcoal
- **Dark Orange** #ff8c00 [harmony, pool: split] — Dark Orange is a split-complement of #a4efff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), PayPal (https://brandsweets.com/colors/brands/paypal-com), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/darkorange
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #a4efff'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), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/deepskyblue
- **Goldenrod** #daa520 [harmony, pool: triadic] — Goldenrod completes a triad with #a4efff — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Fireside (https://brandsweets.com/palettes/dark#fireside), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/goldenrod
- **Light Coral** #f08080 [harmony, pool: split] — Light Coral is a split-complement of #a4efff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io), Blush (https://brandsweets.com/palettes/light#blush), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral
- **Amber** #ffbf00 [pool] — Amber is paired with #a4efff in 21 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] — 47 real palettes, including Uber's brand system and Dropbox's brand system put Blue beside #a4efff, 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 #a4efff 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): 1.28:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #00819e (4.53:1); AA: background → #636363 (4.68:1); AAA: text → #006075 (7.17:1); AAA: background → #474747 (7.24:1)
- On black (#000000): 16.37:1 — 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/a4efff-a2b6be-df4e7a-1f252d-e9f1ef?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: "#a4efff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.