# #669c54

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

## Values

- Hex: `#669c54`
- RGB: rgb(102, 156, 84)
- HSL: hsl(105, 30%, 47%)
- OKLCH: oklch(0.637 0.117 138.3)
- Relative luminance: 0.2724
- Nearest named color: Bavarian Green (#749a54, Δ 1.673) — https://brandsweets.com/colors/bavarian-green
- Moods: muted
- Page: https://brandsweets.com/colors/669c54

## Tints & shades

- Tints (toward white): #72a960, #81b270, #90bb81, #9ec492, #b0cfa5, #bed8b6, #cde1c7, #dcead7, #eaf3e8, #f9fbf8
- Shades (toward black): #5d8f4d, #527e44, #4a713d, #416336, #38562e, #2e4625, #25381e, #1c2b17, #111b0e, #090d07

## Harmonies

- Complementary: #8a549c
- Analogous: #8a9c54, #549c66
- Triadic: #54669c, #9c5466
- Split-complementary: #66549c, #9c548a
- Tetradic: #548a9c, #8a549c, #9c6654

## Colors that go with #669c54

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 body-text near-black for #669c54: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Coastal (https://brandsweets.com/palettes/cool#coastal), N26 (https://brandsweets.com/colors/brands/n26-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 6 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #669c54, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Kia (https://brandsweets.com/colors/brands/kia-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #669c54: 4 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), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #669c54 in 5 real palettes, including DuckDuckGo's brand system and Diner, as the supporting colour. Seen in: DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Diner (https://brandsweets.com/palettes/vivid#diner), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #669c54 in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #669c54: 6 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
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #669c54: 4 real palettes, including Spline's brand system and Unity's brand system, as the lead colour. Seen in: Spline (https://brandsweets.com/colors/brands/spline-design), Unity (https://brandsweets.com/colors/brands/unity-com), Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/dodgerblue
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #669c54 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/mediumorchid

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

- On white (#ffffff): 3.26:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #558146 (4.55:1); AA: background → #262626 (4.65:1); AAA: text → #3f6034 (7.16:1)
- On black (#000000): 6.45:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6ca659 (7.24:1)

## Brands using this color

- **Spline** — secondary #6a9955 (Δ 0.998) — https://brandsweets.com/colors/brands/spline-design

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/669c54-a6bea2-754edf-1f2d22-eff1e9?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: "#669c54" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.