# #a3ffff

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

## Values

- Hex: `#a3ffff`
- RGB: rgb(163, 255, 255)
- HSL: hsl(180, 100%, 82%)
- OKLCH: oklch(0.943 0.088 195.8)
- Relative luminance: 0.8653
- Nearest named color: Frostbite (#acfffc, Δ 0.904) — https://brandsweets.com/colors/frostbite
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/a3ffff

## Tints & shades

- Tints (toward white): #adffff, #b3ffff, #bdffff, #c2ffff, #ccffff, #d6ffff, #dbffff, #e5ffff, #ebffff, #f5ffff
- Shades (toward black): #7affff, #52ffff, #2effff, #05ffff, #00dbdb, #00b3b3, #008a8a, #006666, #003d3d, #001414

## Harmonies

- Complementary: #ffa3a3
- Analogous: #a3ffd1, #a3d1ff
- Triadic: #ffa3ff, #ffffa3
- Split-complementary: #ffa3d1, #ffd1a3
- Tetradic: #d1a3ff, #ffa3a3, #d1ffa3

## Colors that go with #a3ffff

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 #a3ffff: softer than #000 and cool enough to feel like part of the same palette. Seen in: Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Coral** #ff7f50 [harmony, pool: split] — Coral is a split-complement of #a3ffff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Clinic (https://brandsweets.com/palettes/clean#clinic), Sketch (https://brandsweets.com/colors/brands/sketch-com), Temu (https://brandsweets.com/colors/brands/temu-com), Dusk Gradient (https://brandsweets.com/palettes/dark#dusk-gradient). — https://brandsweets.com/colors/coral
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #a3ffff'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), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Calendly (https://brandsweets.com/colors/brands/calendly-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Emerald Green** #50c878 [harmony, pool: analogous] — Emerald Green is #a3ffff's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Meadow (https://brandsweets.com/palettes/light#meadow), Supabase (https://brandsweets.com/colors/brands/supabase), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/emerald-green
- **Goldenrod** #daa520 [harmony, pool: triadic] — Goldenrod completes a triad with #a3ffff — 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), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Fireside (https://brandsweets.com/palettes/dark#fireside), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/goldenrod
- **Light Coral** #f08080 [harmony, pool: complementary] — Light Coral sits directly opposite #a3ffff on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Blush (https://brandsweets.com/palettes/light#blush), Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightcoral
- **Amber** #ffbf00 [pool] — Amber is paired with #a3ffff in 21 real palettes, including Blueprint and Trailhead, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Ember (https://brandsweets.com/palettes/bold#ember). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 47 real palettes, including Alaska Airlines's brand system and Dropbox's brand system put Blue beside #a3ffff, as the accent. Seen in: Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Cargo (https://brandsweets.com/colors/brands/cargo-site), Activision (https://brandsweets.com/colors/brands/activision-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 1.15:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #008080 (4.77:1); AA: background → #6b6b6b (4.65:1); AAA: text → #006161 (7.29:1); AAA: background → #4f4f4f (7.14:1)
- On black (#000000): 18.31:1 — 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/a3ffff-a2bbbe-d45994-1f272d-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: "#a3ffff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.