# #645e5e

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

## Values

- Hex: `#645e5e`
- RGB: rgb(100, 94, 94)
- HSL: hsl(0, 3%, 38%)
- OKLCH: oklch(0.488 0.008 17.4)
- Relative luminance: 0.1152
- Nearest named color: Blindfolded (#5a5e61, Δ 1.592) — https://brandsweets.com/colors/blindfolded
- Moods: neutral, minimal
- Page: https://brandsweets.com/colors/645e5e

## Tints & shades

- Tints (toward white): #746d6d, #837c7c, #928b8b, #a19b9b, #b0abab, #bfbbbb, #cecaca, #dcdada, #ebeaea, #fafafa
- Shades (toward black): #5c5757, #514d4d, #4a4545, #3f3b3b, #373434, #2f2d2d, #252323, #1d1b1b, #121111, #0b0a0a

## Harmonies

- Complementary: #5e6464
- Analogous: #645e61, #64615e
- Triadic: #5e645e, #5e5e64
- Split-complementary: #5e6461, #5e6164
- Tetradic: #61645e, #5e6464, #615e64

## Colors that go with #645e5e

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 #645e5e without the hard edge of pure #000. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Campus (https://brandsweets.com/palettes/friendly#campus), Canopy (https://brandsweets.com/palettes/cool#canopy), 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 #645e5e. 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 #645e5e: 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), Dusk (https://brandsweets.com/palettes/cool#dusk), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #645e5e in 5 real palettes, including Mid-Century and Fireside, as the accent. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Fireside (https://brandsweets.com/palettes/dark#fireside), Open House (https://brandsweets.com/palettes/clean#open-house), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/goldenrod
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #645e5e in 4 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] — 5 real palettes, including Lufthansa's brand system and Open House put Midnight Blue beside #645e5e, 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 Mid-Century and Coffee Bar put Peru beside #645e5e, as the lead colour. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Bakery (https://brandsweets.com/palettes/warm#bakery). — https://brandsweets.com/colors/peru
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #645e5e in 6 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): 6.35:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #5c5757 (7.1:1)
- On black (#000000): 3.3:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #7b7474 (4.59:1); AA: background → #d9d9d9 (4.5:1); AAA: text → #9c9696 (7.22:1)

## Brands using this color

- **Subaru** — primary #5c6163 (Δ 1.443) — https://brandsweets.com/colors/brands/subaru-com

## Fonts for this mood

- neutral: https://brandsweets.com/fonts/mood/neutral
- 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/645e5e-a2beb0-c859d4-1f2d2b-eaf1e9?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: "#645e5e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.