# #668f72

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

## Values

- Hex: `#668f72`
- RGB: rgb(102, 143, 114)
- HSL: hsl(138, 17%, 48%)
- OKLCH: oklch(0.611 0.063 153.4)
- Relative luminance: 0.2368
- Nearest named color: Aloe Vera (#678779, Δ 2.921) — https://brandsweets.com/colors/aloe-vera
- Moods: muted
- Page: https://brandsweets.com/colors/668f72

## Tints & shades

- Tints (toward white): #739c7f, #82a68d, #91b19a, #a0bba8, #aec6b5, #bdd0c3, #ccdbd1, #dbe6de, #eaf0ec, #f9fbfa
- Shades (toward black): #5d8369, #53745d, #4a6853, #3f5a47, #374e3e, #2f4234, #243328, #1c271f, #111813, #080c0a

## Harmonies

- Complementary: #8f6683
- Analogous: #6e8f66, #668f87
- Triadic: #72668f, #8f7266
- Split-complementary: #87668f, #8f666e
- Tetradic: #666e8f, #8f6683, #8f8766

## Colors that go with #668f72

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 #668f72: softer than #000 and cool enough to feel like part of the same palette. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Coastal (https://brandsweets.com/palettes/cool#coastal), Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Forest Floor and Woodsmoke put Champagne beside #668f72, 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 #668f72: 6 real palettes, including Clean Beauty and Wellness, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Wellness (https://brandsweets.com/palettes/warm#wellness), 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 #668f72 in 8 real palettes, including Diner and Five Guys's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #668f72 in 4 real palettes, including Clay & Linen and Oatmeal, as the accent. Seen in: Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #668f72: 7 real palettes, including Peacock and Intel's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), 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
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Tide Pool and Paramount+'s brand system put Midnight Blue beside #668f72, as that palette's text colour. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/midnightblue
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #668f72 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Olympics (https://brandsweets.com/colors/brands/olympics-com). — https://brandsweets.com/colors/steelblue

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

- On white (#ffffff): 3.66:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #597d64 (4.62:1); AA: background → #1f1f1f (4.5:1); AAA: text → #445f4c (7.03:1)
- On black (#000000): 5.74:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #79a084 (7.17:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/668f72-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: "#668f72" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.