# #b3d9db

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

## Values

- Hex: `#b3d9db`
- RGB: rgb(179, 217, 219)
- HSL: hsl(183, 36%, 78%)
- OKLCH: oklch(0.859 0.04 200.4)
- Relative luminance: 0.6432
- Nearest named color: Catch the Wave (#b5dcd8, Δ 1.071) — https://brandsweets.com/colors/catch-the-wave
- Moods: cool, light, clean, modern
- Page: https://brandsweets.com/colors/b3d9db

## Tints & shades

- Tints (toward white): #baddde, #c1e0e2, #c8e3e5, #cee7e8, #d5eaeb, #dceeef, #e3f1f2, #eaf5f5, #f1f8f8, #f8fcfc
- Shades (toward black): #9acdd0, #7fbfc3, #66b3b7, #4ea2a6, #438a8e, #377376, #2a585a, #1f4042, #122526, #070e0e

## Harmonies

- Complementary: #dbb5b3
- Analogous: #b3dbc9, #b3c5db
- Triadic: #dbb3d9, #d9dbb3
- Split-complementary: #dbb3c5, #dbc9b3
- Tetradic: #c9b3db, #dbb5b3, #c5dbb3

## Colors that go with #b3d9db

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 #b3d9db: 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), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Sand** #c2b280 [harmony, pool: triadic] — Sand completes a triad with #b3d9db — 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), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Greige (https://brandsweets.com/palettes/neutral#greige), Sonos (https://brandsweets.com/colors/brands/sonos-com). — https://brandsweets.com/colors/sand
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #b3d9db 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). — https://brandsweets.com/colors/darksalmon
- **Amber** #ffbf00 [pool] — Amber is paired with #b3d9db in 4 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
- **Brown** #a52a2a [pool] — 4 real palettes, including Woodsmoke and Velvet put Brown beside #b3d9db, 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 #b3d9db in 4 real palettes, including Coastal and Coffee Bar, as the accent. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Velvet (https://brandsweets.com/palettes/luxury#velvet). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #b3d9db: 4 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), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #b3d9db: 6 real palettes, including Bramble and Clean Beauty, as the supporting colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper

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

- On white (#ffffff): 1.51:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3e8084 (4.54:1); AA: background → #595959 (4.62:1); AAA: text → #2e5f61 (7.18:1); AAA: background → #3d3d3d (7.17:1)
- On black (#000000): 13.86:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Frost & Ember** (winter, bold, cool, vivid) — #1d3557, #a8dadc, #e63946, #f1faee — Navy and frost with one ember red — the classic cold-with-a-warm-accent structure, borrowed from a thousand ski posters. — tool: https://brandsweets.com/palettes/new/1d3557-a8dadc-e63946-f1faee — collection: https://brandsweets.com/palettes/winter

## Fonts for this mood

- clean: https://brandsweets.com/fonts/mood/clean
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/b3d9db-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: "#b3d9db" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.