# #665b57

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

## Values

- Hex: `#665b57`
- RGB: rgb(102, 91, 87)
- HSL: hsl(16, 8%, 37%)
- OKLCH: oklch(0.48 0.016 41.1)
- Relative luminance: 0.11
- Nearest named color: Bark (#5f5854, Δ 1.561) — https://brandsweets.com/colors/bark
- Moods: muted, minimal
- Page: https://brandsweets.com/colors/665b57

## Tints & shades

- Tints (toward white): #766a65, #877873, #958883, #a49894, #b4aaa7, #c2bab7, #d0cac8, #dedad8, #eceae9, #fafaf9
- Shades (toward black): #5e5350, #534a46, #4a423f, #423b38, #3a3431, #2f2a28, #272221, #1e1b1a, #131110, #0b0a09

## Harmonies

- Complementary: #576266
- Analogous: #66575a, #666257
- Triadic: #57665b, #5b5766
- Split-complementary: #576662, #575a66
- Tetradic: #5a6657, #576266, #625766

## Colors that go with #665b57

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 #665b57 without the hard edge of pure #000. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Canopy (https://brandsweets.com/palettes/cool#canopy), Campus (https://brandsweets.com/palettes/friendly#campus), Pampers (https://brandsweets.com/colors/brands/pampers-com). — https://brandsweets.com/colors/charcoal
- **Champagne** #f7e7ce [pool] — 6 real palettes, including BrandSweets's brand system and Darkroom put Champagne beside #665b57. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #665b57: 5 real palettes, including Desert Road and Clay & Linen, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Bakery (https://brandsweets.com/palettes/warm#bakery), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #665b57 in 5 real palettes, including Fireside and Mid-Century, as the accent. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Harvest (https://brandsweets.com/palettes/warm#harvest), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #665b57 in 5 real palettes, including Undergrowth and Console Light, as the lead colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Console Light (https://brandsweets.com/palettes/technical#console-light), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/mediumseagreen
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Lufthansa's brand system and Open House put Midnight Blue beside #665b57, as the lead colour. Seen in: Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), Open House (https://brandsweets.com/palettes/clean#open-house), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), FIFA (https://brandsweets.com/colors/brands/fifa-com). — https://brandsweets.com/colors/midnightblue
- **Peru** #cd853f [pool] — 4 real palettes, including Coffee Bar and Bakery put Peru beside #665b57, as the lead colour. Seen in: Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Bakery (https://brandsweets.com/palettes/warm#bakery), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/peru
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #665b57 in 5 real palettes, including Subaru's brand system and GitHub's brand system, as the supporting colour. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), GitHub (https://brandsweets.com/colors/brands/github), Console Light (https://brandsweets.com/palettes/technical#console-light), Stripe (https://brandsweets.com/colors/brands/stripe). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 6.56:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #605652 (7.12:1)
- On black (#000000): 3.2:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #81736e (4.61:1); AA: background → #d6d6d6 (4.52:1); AAA: text → #9f938e (7.04:1)

## Curated palettes containing it

- **Oatmeal** (neutral, warm, minimal, calm) — #6b5e4f, #a89a8a, #d9cfc1, #f8f5f0, #2c2622 — Four warm greys from bark to oat — the neutral palette that photographs well and never argues with a product shot. — tool: https://brandsweets.com/palettes/new/6b5e4f-a89a8a-d9cfc1-f8f5f0-2c2622 — collection: https://brandsweets.com/palettes/neutral

## 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/665b57-c4ab9c-62cbb4-2d291f-f1e9eb?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: "#665b57" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.