# #646558

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

## Values

- Hex: `#646558`
- RGB: rgb(100, 101, 88)
- HSL: hsl(65, 7%, 37%)
- OKLCH: oklch(0.502 0.02 110.7)
- Relative luminance: 0.1272
- Nearest named color: Black Forest (#5e6354, Δ 1.271) — https://brandsweets.com/colors/black-forest
- Moods: neutral, minimal
- Page: https://brandsweets.com/colors/646558

## Tints & shades

- Tints (toward white): #747566, #848674, #939484, #a1a395, #b2b3a8, #c1c1b8, #cfd0c8, #ddded9, #ecece9, #fafafa
- Shades (toward black): #5c5d51, #515247, #494a40, #414139, #393932, #2e2e28, #262621, #1e1e1a, #131311, #0b0b09

## Harmonies

- Complementary: #595865
- Analogous: #655f58, #5d6558
- Triadic: #586465, #655864
- Split-complementary: #585d65, #5f5865
- Tetradic: #58655f, #595865, #65585d

## Colors that go with #646558

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 #646558 without the hard edge of pure #000. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Campus (https://brandsweets.com/palettes/friendly#campus), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/charcoal
- **Champagne** #f7e7ce [pool] — 6 real palettes, including BrandSweets's brand system and Forest Floor put Champagne beside #646558. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #646558: 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), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #646558 in 6 real palettes, including Gemstone and Five Guys's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #646558: 7 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), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #646558 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), 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 #646558 in 4 real palettes, including Undergrowth and Indigo SaaS, as the lead colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Console Light (https://brandsweets.com/palettes/technical#console-light), 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 Paramount+'s brand system put Midnight Blue beside #646558, as the lead colour. Seen in: Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Open House (https://brandsweets.com/palettes/clean#open-house), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 5.93:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #595a4e (7.01:1)
- On black (#000000): 3.54:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #777868 (4.67:1); AA: background → #e3e3e3 (4.62:1); AAA: text → #959787 (7.05:1)

## 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/646558-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: "#646558" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.