# #669c3a

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

## Values

- Hex: `#669c3a`
- RGB: rgb(102, 156, 58)
- HSL: hsl(93, 46%, 42%)
- OKLCH: oklch(0.634 0.142 133.4)
- Relative luminance: 0.2691
- Nearest named color: Bitter Leaf (#669841, Δ 1.509) — https://brandsweets.com/colors/bitter-leaf
- Moods: neutral
- Page: https://brandsweets.com/colors/669c3a

## Tints & shades

- Tints (toward white): #75b342, #82be50, #92c766, #9fcd79, #afd68f, #bfdea6, #cce5b8, #dcedcf, #eaf4e1, #fafcf8
- Shades (toward black): #5c8d34, #537f2f, #4b732b, #426525, #385620, #2e471a, #243815, #1d2d11, #131e0b, #0a0f06

## Harmonies

- Complementary: #703a9c
- Analogous: #979c3a, #3a9c3f
- Triadic: #3a669c, #9c3a66
- Split-complementary: #3f3a9c, #9c3a97
- Tetradic: #3a979c, #703a9c, #9c3f3a

## Colors that go with #669c3a

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 #669c3a: 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), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 6 real palettes, including Spotify's brand system and Instacart's brand system put Blue beside #669c3a, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Instacart (https://brandsweets.com/colors/brands/instacart-com), Unity (https://brandsweets.com/colors/brands/unity-com), Kia (https://brandsweets.com/colors/brands/kia-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #669c3a in 5 real palettes, including DuckDuckGo's brand system and Five Guys's brand system, as the supporting colour. Seen in: DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #669c3a: 5 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 [harmony, pool: triadic] — Dodger Blue completes a triad with #669c3a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Spline (https://brandsweets.com/colors/brands/spline-design), Unity (https://brandsweets.com/colors/brands/unity-com), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Telehealth and Fintech Trust put Midnight Blue beside #669c3a, as the text colour against it. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #669c3a in 6 real palettes, including Console Light and Telehealth, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Subaru (https://brandsweets.com/colors/brands/subaru-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #669c3a in 14 real palettes, including Undergrowth and Clean Beauty, as the surface under it. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Acer (https://brandsweets.com/colors/brands/acer-com), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 3.29:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #558230 (4.54:1); AA: background → #262626 (4.6:1); AAA: text → #3f6124 (7.13:1)
- On black (#000000): 6.38:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6ba43d (7:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/669c3a-abbea2-584edf-202d1f-f0f1e9?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: "#669c3a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.