# #b5f9fc

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

## Values

- Hex: `#b5f9fc`
- RGB: rgb(181, 249, 252)
- HSL: hsl(183, 92%, 85%)
- OKLCH: oklch(0.938 0.068 199.5)
- Relative luminance: 0.846
- Nearest named color: Frostbite (#acfffc, Δ 1.744) — https://brandsweets.com/colors/frostbite
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/b5f9fc

## Tints & shades

- Tints (toward white): #baf9fc, #c4fafd, #c9fafd, #cefbfd, #d8fbfd, #ddfcfe, #e2fcfe, #e7fdfe, #f0fefe, #f5feff
- Shades (toward black): #8ef5fa, #67f1f9, #40eef7, #19eaf5, #09d2dc, #07a8b0, #068389, #045d62, #02383b, #011314

## Harmonies

- Complementary: #fcb9b6
- Analogous: #b6fcdc, #b6d5fc
- Triadic: #fcb6f8, #f8fcb6
- Split-complementary: #fcb6d5, #fcdcb6
- Tetradic: #dcb6fc, #fcb9b6, #d5fcb6

## Colors that go with #b5f9fc

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 #b5f9fc: 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
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #b5f9fc'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
- **Goldenrod** #daa520 [harmony, pool: triadic] — Goldenrod completes a triad with #b5f9fc — 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 #b5f9fc on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Blush (https://brandsweets.com/palettes/light#blush), Meadow (https://brandsweets.com/palettes/light#meadow), Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightcoral
- **Amber** #ffbf00 [pool] — Amber is paired with #b5f9fc 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), Ember (https://brandsweets.com/palettes/bold#ember), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 47 real palettes, including Dropbox's brand system and Alaska Airlines's brand system put Blue beside #b5f9fc, as the accent. Seen in: Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Cargo (https://brandsweets.com/colors/brands/cargo-site), Binance (https://brandsweets.com/colors/brands/binance-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #b5f9fc 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
- **Blush Pink** #e8b4b8 [pool] — 7 real palettes, including Estate and Rain Garden put Blush Pink beside #b5f9fc, as the accent. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink

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

- On white (#ffffff): 1.17:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #068389 (4.55:1); AA: background → #6b6b6b (4.55:1); AAA: text → #046267 (7.12:1); AAA: background → #4d4d4d (7.21:1)
- On black (#000000): 17.92:1 — 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/b5f9fc-a2b9be-d4598e-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: "#b5f9fc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.