# #4d666a

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

## Values

- Hex: `#4d666a`
- RGB: rgb(77, 102, 106)
- HSL: hsl(188, 16%, 36%)
- OKLCH: oklch(0.492 0.03 208.3)
- Relative luminance: 0.1212
- Nearest named color: Dark Forest (#556962, Δ 2.086) — https://brandsweets.com/colors/dark-forest
- Moods: cool, muted
- Page: https://brandsweets.com/colors/4d666a

## Tints & shades

- Tints (toward white): #5a787c, #67898e, #7a9a9f, #8ca7ab, #9db5b8, #afc2c5, #c1d0d2, #d6dfe1, #e7edee, #f9fafb
- Shades (toward black): #475e62, #405559, #384a4d, #314244, #2b393b, #243032, #1e2829, #151c1e, #0f1415, #090b0c

## Harmonies

- Complementary: #6a514d
- Analogous: #4d6a60, #4d586a
- Triadic: #6a4d67, #676a4d
- Split-complementary: #6a4d58, #6a604d
- Tetradic: #604d6a, #6a514d, #586a4d

## Colors that go with #4d666a

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 for #4d666a: softer than #000 and cool enough to feel like part of the same palette. Seen in: Gusto (https://brandsweets.com/colors/brands/gusto-com), Pampers (https://brandsweets.com/colors/brands/pampers-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #4d666a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/sienna
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #4d666a: 4 real palettes, including Alpine and Dusk, as the supporting colour. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Dusk (https://brandsweets.com/palettes/cool#dusk), 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] — 5 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #4d666a, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), 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). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #4d666a: 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), Dusk (https://brandsweets.com/palettes/cool#dusk), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #4d666a in 8 real palettes, including Gemstone and Retro Pop, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Redfin (https://brandsweets.com/colors/brands/redfin-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Dark Goldenrod** #b8860b [pool] — 4 real palettes, including Cider and Greige put Dark Goldenrod beside #4d666a, as the supporting colour. Seen in: Cider (https://brandsweets.com/palettes/warm#cider), Greige (https://brandsweets.com/palettes/neutral#greige), Rolex (https://brandsweets.com/colors/brands/rolex-com), Puma (https://brandsweets.com/colors/brands/puma-com). — https://brandsweets.com/colors/darkgoldenrod
- **Denim** #1560bd [pool] — Designers have shipped Denim with #4d666a: 12 real palettes, including HP's brand system and The New York Times's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Campus (https://brandsweets.com/palettes/friendly#campus), Dutch Bros (https://brandsweets.com/colors/brands/dutchbros-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 6.13:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #455b5f (7.2:1)
- On black (#000000): 3.42:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #5c7b7f (4.59:1); AA: background → #dedede (4.56:1); AAA: text → #7d9ca1 (7.14:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/4d666a-a2b7be-df4e81-1f252d-e9f1ee?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: "#4d666a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.