# #669b5f

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

## Values

- Hex: `#669b5f`
- RGB: rgb(102, 155, 95)
- HSL: hsl(113, 24%, 49%)
- OKLCH: oklch(0.637 0.104 141.6)
- Relative luminance: 0.2709
- Nearest named color: Bavarian Green (#749a54, Δ 1.812) — https://brandsweets.com/colors/bavarian-green
- Moods: muted
- Page: https://brandsweets.com/colors/669b5f

## Tints & shades

- Tints (toward white): #74a66e, #83b07d, #92b98d, #a1c39d, #b1cdad, #bdd4b9, #ccdec9, #dbe8d9, #eaf1e9, #f9fbf9
- Shades (toward black): #5e8e57, #537e4e, #4b7246, #41623c, #385534, #2e462b, #253923, #1b2919, #131c11, #080d08

## Harmonies

- Complementary: #945f9b
- Analogous: #849b5f, #5f9b76
- Triadic: #5f669b, #9b5f66
- Split-complementary: #765f9b, #9b5f84
- Tetradic: #5f849b, #945f9b, #9b765f

## Colors that go with #669b5f

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 #669b5f: 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), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 6 real palettes, including Unity's brand system and Kia's brand system put Blue beside #669b5f, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Kia (https://brandsweets.com/colors/brands/kia-com), Spotify (https://brandsweets.com/colors/brands/spotify), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #669b5f: 5 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), Atelier (https://brandsweets.com/palettes/elegant#atelier). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #669b5f 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 #669b5f in 6 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), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #669b5f: 6 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
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #669b5f in 5 real palettes, including Subaru's brand system and Rolex's brand system, as the lead colour. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Bookshop (https://brandsweets.com/palettes/editorial#bookshop). — https://brandsweets.com/colors/hunter-green
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #669b5f — 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), Olympics (https://brandsweets.com/colors/brands/olympics-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com). — https://brandsweets.com/colors/steelblue

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

- On white (#ffffff): 3.27:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #537e4e (4.71:1); AA: background → #262626 (4.63:1); AAA: text → #3e5f3a (7.23:1)
- On black (#000000): 6.42:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6ea267 (7.03:1)

## Brands using this color

- **Spline** — secondary #6a9955 (Δ 1.15) — 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/669b5f-a2bea2-884edf-1f2d24-eef1e9?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: "#669b5f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.