# #596e78

A color — cool, muted. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#596e78`
- RGB: rgb(89, 110, 120)
- HSL: hsl(199, 15%, 41%)
- OKLCH: oklch(0.525 0.03 228.4)
- Relative luminance: 0.1463
- Nearest named color: Ashen Whisper (#646b7a, Δ 1.807) — https://brandsweets.com/colors/ashen-whisper
- Moods: cool, muted
- Page: https://brandsweets.com/colors/596e78

## Tints & shades

- Tints (toward white): #667e8a, #728b97, #849aa4, #95a8b1, #a7b7be, #b6c3c9, #c7d1d6, #d9e0e3, #e8ecee, #f9fafb
- Shades (toward black): #50646d, #4a5b64, #415158, #38464c, #323e43, #293338, #21282c, #181e20, #111617, #090b0c

## Harmonies

- Complementary: #786359
- Analogous: #597872, #595f78
- Triadic: #78596e, #6e7859
- Split-complementary: #78595f, #787259
- Tetradic: #725978, #786359, #5f7859

## Colors that go with #596e78

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 that reads cleanly against #596e78 without the hard edge of pure #000. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Gusto (https://brandsweets.com/colors/brands/gusto-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #596e78 in 4 real palettes, including Beach Hut and Lemon Squeezy's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Champagne** #f7e7ce [pool] — 6 real palettes, including BrandSweets's brand system and Forest Floor put Champagne beside #596e78. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #596e78: 5 real palettes, including Ink & Paper and Fintech Trust, as the accent. Seen in: Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Intel (https://brandsweets.com/colors/brands/intel-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Copper** #b87333 [pool] — Designers have shipped Copper with #596e78: 6 real palettes, including Riverbed and Dusk, as the accent. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Dusk (https://brandsweets.com/palettes/cool#dusk), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #596e78 in 9 real palettes, including Retro Pop and Gemstone, as the lead colour. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Redfin (https://brandsweets.com/colors/brands/redfin-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #596e78: 12 real palettes, including Campus and The New York Times's brand system, as the lead colour. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), HP (https://brandsweets.com/colors/brands/hp-com), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #596e78: 4 real palettes, including Miro's brand system and Venmo's brand system, as the accent. Seen in: Miro (https://brandsweets.com/colors/brands/miro-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Notion (https://brandsweets.com/colors/brands/notion), Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 5.35:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #4a5b64 (7.07:1)
- On black (#000000): 3.93:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #627984 (4.59:1); AA: background → #ededed (4.57:1); AAA: text → #849aa4 (7.14:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/596e78-9cb3c4-df4e66-1f232d-e9f1f0?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: "#596e78" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.