# #667f71

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

## Values

- Hex: `#667f71`
- RGB: rgb(102, 127, 113)
- HSL: hsl(146, 11%, 45%)
- OKLCH: oklch(0.572 0.036 160.5)
- Relative luminance: 0.192
- Nearest named color: Ecological (#677f70, Δ 0.186) — https://brandsweets.com/colors/ecological
- Moods: muted
- Page: https://brandsweets.com/colors/667f71

## Tints & shades

- Tints (toward white): #718e7e, #829b8d, #91a69a, #9fb2a7, #b0bfb7, #becbc3, #ccd6d0, #dae1dd, #ebefed, #f9fafa
- Shades (toward black): #5d7467, #54695d, #4b5d53, #425249, #39473f, #2d3932, #242d28, #1b221e, #121714, #090b0a

## Harmonies

- Complementary: #7f6674
- Analogous: #687f66, #667f7e
- Triadic: #71667f, #7f7166
- Split-complementary: #7e667f, #7f6668
- Tetradic: #66687f, #7f6674, #7f7e66

## Colors that go with #667f71

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 #667f71: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Champagne** #f7e7ce [pool] — 6 real palettes, including Forest Floor and Woodsmoke put Champagne beside #667f71, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #667f71: 6 real palettes, including Riverbed and Wellness, as the accent. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Wellness (https://brandsweets.com/palettes/warm#wellness), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #667f71 in 8 real palettes, including Five Guys's brand system and Netflix's brand system, as the supporting colour. Seen in: Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Redfin (https://brandsweets.com/colors/brands/redfin-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #667f71: 8 real palettes, including Campus and Intel's brand system, as the lead colour. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #667f71: 4 real palettes, including Studio Grey and Notion's brand system, as the accent. Seen in: Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey), Notion (https://brandsweets.com/colors/brands/notion), Spline (https://brandsweets.com/colors/brands/spline-design), Miro (https://brandsweets.com/colors/brands/miro-com). — https://brandsweets.com/colors/dodgerblue
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #667f71 in 5 real palettes, including Noir Beauty and Mid-Century, as the lead colour. Seen in: Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/goldenrod
- **Rose Gold** #b76e79 [harmony: complementary] — Rose Gold sits directly opposite #667f71 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/rose-gold

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

- On white (#ffffff): 4.34:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #627a6c (4.65:1); AA: background → #0a0a0a (4.56:1); AAA: text → #4b5d53 (7.02:1)
- On black (#000000): 4.84:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #829b8d (7.02:1)

## Curated palettes containing it

- **Riverbed** (earthy, muted, cool) — #5f7a6b, #a89f91, #b7742f, #f4f3ef, #22281f — Wet-stone green and pebble grey with a copper accent — an earth palette that leans cool, for outdoor and wellness. — tool: https://brandsweets.com/palettes/new/5f7a6b-a89f91-b7742f-f4f3ef-22281f — collection: https://brandsweets.com/palettes/earthy

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/667f71-a2beb1-ce59d4-1f2d2b-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: "#667f71" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.