# #5d666f

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

## Values

- Hex: `#5d666f`
- RGB: rgb(93, 102, 111)
- HSL: hsl(210, 9%, 40%)
- OKLCH: oklch(0.506 0.018 248.2)
- Relative luminance: 0.1298
- Nearest named color: Alley Cat (#656874, Δ 1.571) — https://brandsweets.com/colors/alley-cat
- Moods: muted, minimal
- Page: https://brandsweets.com/colors/5d666f

## Tints & shades

- Tints (toward white): #6b7580, #7a8590, #87919b, #98a1a9, #a9b0b7, #babfc5, #cacfd3, #d8dbdf, #e9ebec, #f9fafa
- Shades (toward black): #545c64, #4d545c, #434a51, #3c4248, #33383d, #2a2e32, #23262a, #1a1c1f, #131416, #090a0b

## Harmonies

- Complementary: #6f665d
- Analogous: #5d6f6f, #5d5d6f
- Triadic: #6f5d66, #666f5d
- Split-complementary: #6f5d5d, #6f6f5d
- Tetradic: #6f5d6f, #6f665d, #5d6f5d

## Colors that go with #5d666f

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 #5d666f without the hard edge of pure #000. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Harbour (https://brandsweets.com/palettes/cool#harbour), Gusto (https://brandsweets.com/colors/brands/gusto-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com). — https://brandsweets.com/colors/charcoal
- **Champagne** #f7e7ce [pool] — 5 real palettes, including BrandSweets's brand system and Darkroom put Champagne beside #5d666f. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #5d666f: 6 real palettes, including Desert Road and Dusk, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Dusk (https://brandsweets.com/palettes/cool#dusk), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #5d666f in 8 real palettes, including Gemstone and Retro Pop, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), 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 #5d666f: 10 real palettes, including Campus and HP's brand system, as the lead colour. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), HP (https://brandsweets.com/colors/brands/hp-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #5d666f: 5 real palettes, including Newsprint and Fireside, as the lead colour. Seen in: Newsprint (https://brandsweets.com/palettes/editorial#newsprint), Fireside (https://brandsweets.com/palettes/dark#fireside), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Honda (https://brandsweets.com/colors/brands/honda-com). — https://brandsweets.com/colors/firebrick
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #5d666f in 5 real palettes, including Mid-Century and Open House, as the accent. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Open House (https://brandsweets.com/palettes/clean#open-house), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Fireside (https://brandsweets.com/palettes/dark#fireside). — https://brandsweets.com/colors/goldenrod
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #5d666f in 4 real palettes, including Indigo SaaS and Undergrowth, as the accent. Seen in: Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Console Light (https://brandsweets.com/palettes/technical#console-light), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/mediumseagreen

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

- On white (#ffffff): 5.84:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #515961 (7.12:1)
- On black (#000000): 3.6:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #6d7883 (4.66:1); AA: background → #e3e3e3 (4.55:1); AAA: text → #8d96a0 (7:1)

## Fonts for this mood

- minimal: https://brandsweets.com/fonts/mood/minimal

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/5d666f-9cabc4-df514e-1f202d-e9f1f1?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: "#5d666f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.