# #645e54

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

## Values

- Hex: `#645e54`
- RGB: rgb(100, 94, 84)
- HSL: hsl(38, 9%, 36%)
- OKLCH: oklch(0.484 0.017 80.6)
- Relative luminance: 0.1135
- Nearest named color: Black Forest (#5e6354, Δ 1.718) — https://brandsweets.com/colors/black-forest
- Moods: muted, minimal
- Page: https://brandsweets.com/colors/645e54

## Tints & shades

- Tints (toward white): #756e61, #857d6f, #978f82, #a59e93, #b2ada3, #c0bcb4, #cecbc5, #dfdcd8, #ecebe9, #fafaf9
- Shades (toward black): #5c564d, #534e46, #48443c, #403c35, #38342e, #2f2c27, #272520, #1c1a17, #131210, #0b0a09

## Harmonies

- Complementary: #545a64
- Analogous: #645654, #626454
- Triadic: #54645e, #5e5464
- Split-complementary: #546264, #565464
- Tetradic: #546456, #545a64, #645462

## Colors that go with #645e54

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 #645e54 without the hard edge of pure #000. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Pampers (https://brandsweets.com/colors/brands/pampers-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #645e54: 4 real palettes, including Dusk and Alpine, as the supporting colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Alpine (https://brandsweets.com/palettes/cool#alpine), Open House (https://brandsweets.com/palettes/clean#open-house), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 6 real palettes, including BrandSweets's brand system and Darkroom put Champagne beside #645e54. 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), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #645e54: 6 real palettes, including Clay & Linen and Desert Road, as the lead colour. Seen in: Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Bakery (https://brandsweets.com/palettes/warm#bakery). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #645e54 in 4 real palettes, including Gemstone and Codecademy's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #645e54: 7 real palettes, including HP's brand system and Campus, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Campus (https://brandsweets.com/palettes/friendly#campus), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #645e54 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 #645e54 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

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

- On white (#ffffff): 6.42:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #5c564d (7.26:1)
- On black (#000000): 3.27:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #7d7668 (4.66:1); AA: background → #d9d9d9 (4.55:1); AAA: text → #9e968a (7.18:1)

## Brands using this color

- **BrandSweets** — textMuted #6b5d4c (Δ 1.499) — https://brandsweets.com/colors/brands/brandsweets

## 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/645e54-c4ba9c-62bbcb-2c2d1f-f1ebe9?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: "#645e54" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.