# #645b4f

A color — warm, muted, editorial, elegant. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#645b4f`
- RGB: rgb(100, 91, 79)
- HSL: hsl(34, 12%, 35%)
- OKLCH: oklch(0.476 0.022 75.1)
- Relative luminance: 0.1076
- Nearest named color: Bark (#5f5854, Δ 1.631) — https://brandsweets.com/colors/bark
- Moods: warm, muted, editorial, elegant
- Page: https://brandsweets.com/colors/645b4f

## Tints & shades

- Tints (toward white): #756a5c, #897c6c, #988c7c, #a59b8d, #b5aca1, #c2bbb2, #d0cac3, #ddd9d4, #edebe8, #fbfaf9
- Shades (toward black): #5b5348, #534b41, #4a433a, #423c34, #39342d, #2e2924, #25221d, #1d1a16, #141210, #0b0a09

## Harmonies

- Complementary: #4f5864
- Analogous: #64504f, #63644f
- Triadic: #4f645b, #5b4f64
- Split-complementary: #4f6364, #504f64
- Tetradic: #4f6450, #4f5864, #644f63

## Colors that go with #645b4f

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 #645b4f without the hard edge of pure #000. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Pampers (https://brandsweets.com/colors/brands/pampers-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #645b4f: 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 #645b4f. 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 #645b4f: 6 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), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #645b4f in 4 real palettes, including Codecademy's brand system and Gemstone, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), 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 #645b4f: 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 #645b4f in 4 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 #645b4f 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), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/mediumseagreen

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

- On white (#ffffff): 6.66:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #5e554a (7.31:1)
- On black (#000000): 3.15:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #817565 (4.67:1); AA: background → #d6d6d6 (4.59:1); AAA: text → #a19687 (7.23:1)

## Brands using this color

- **BrandSweets** — textMuted #6b5d4c (Δ 1.465) — https://brandsweets.com/colors/brands/brandsweets

## Curated palettes containing it

- **Magazine Ochre** (editorial, warm, muted) — #b45309, #6b5b45, #0f766e, #f7f3ec, #1f1a14 — Ochre and walnut on unbleached stock, with teal as the counterpoint — a features-section palette with some heat in it. — tool: https://brandsweets.com/palettes/new/b45309-6b5b45-0f766e-f7f3ec-1f1a14 — collection: https://brandsweets.com/palettes/editorial
- **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

- warm: https://brandsweets.com/fonts/mood/warm
- editorial: https://brandsweets.com/fonts/mood/editorial
- elegant: https://brandsweets.com/fonts/mood/elegant

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/645b4f-c4b79c-62c2cb-2d2d1f-f1eae9?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: "#645b4f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.