# #668a71

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

## Values

- Hex: `#668a71`
- RGB: rgb(102, 138, 113)
- HSL: hsl(138, 15%, 47%)
- OKLCH: oklch(0.599 0.055 154.2)
- Relative luminance: 0.2219
- Nearest named color: Aloe Vera (#678779, Δ 1.734) — https://brandsweets.com/colors/aloe-vera
- Moods: muted
- Page: https://brandsweets.com/colors/668a71

## Tints & shades

- Tints (toward white): #72977d, #81a28b, #90ad98, #9eb7a6, #b0c4b6, #becfc4, #cddad1, #dce5df, #eaf0ec, #f9fbfa
- Shades (toward black): #5d7e67, #526f5b, #4a6451, #415848, #384c3e, #2e3e32, #253229, #1c261f, #111713, #090c0a

## Harmonies

- Complementary: #8a667f
- Analogous: #6d8a66, #668a83
- Triadic: #71668a, #8a7166
- Split-complementary: #83668a, #8a666d
- Tetradic: #666d8a, #8a667f, #8a8366

## Colors that go with #668a71

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 #668a71: softer than #000 and cool enough to feel like part of the same palette. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Forest Floor and Woodsmoke put Champagne beside #668a71, 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 #668a71: 6 real palettes, including Wellness and Clean Beauty, as the supporting colour. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #668a71 in 7 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), Diner (https://brandsweets.com/palettes/vivid#diner), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #668a71: 7 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour. Seen in: 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), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #668a71 in 5 real palettes, including Noir Beauty and Ledger Dark, as the lead colour. Seen in: Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Harvest (https://brandsweets.com/palettes/warm#harvest), Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/goldenrod
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Paramount+'s brand system and Tide Pool put Midnight Blue beside #668a71, as the supporting colour. Seen in: Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/midnightblue
- **Medium Purple** #9370db [harmony, pool: split] — Medium Purple is a split-complement of #668a71: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/mediumpurple

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

- On white (#ffffff): 3.86:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #5d7e67 (4.52:1); AA: background → #1a1a1a (4.51:1); AAA: text → #455e4d (7.09:1)
- On black (#000000): 5.44:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #7b9d85 (7:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/668a71-a2beae-be59d4-1f2d29-ebf1e9?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: "#668a71" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.