# #669c40

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

## Values

- Hex: `#669c40`
- RGB: rgb(102, 156, 64)
- HSL: hsl(95, 42%, 43%)
- OKLCH: oklch(0.634 0.137 134.2)
- Relative luminance: 0.2697
- Nearest named color: Bitter Leaf (#669841, Δ 1.206) — https://brandsweets.com/colors/bitter-leaf
- Moods: neutral
- Page: https://brandsweets.com/colors/669c40

## Tints & shades

- Tints (toward white): #74b148, #81bb58, #92c46e, #a0cb80, #b0d496, #bedca8, #cee4be, #dcecd0, #ecf5e6, #fafcf8
- Shades (toward black): #5c8d3a, #537f34, #4a702e, #406228, #395723, #2f481e, #263a18, #1c2b12, #131d0c, #090e06

## Harmonies

- Complementary: #75409c
- Analogous: #949c40, #409c47
- Triadic: #40669c, #9c4066
- Split-complementary: #47409c, #9c4094
- Tetradic: #40949c, #75409c, #9c4740

## Colors that go with #669c40

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 #669c40: 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 Unity's brand system put Blue beside #669c40, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com), Kia (https://brandsweets.com/colors/brands/kia-com), Instacart (https://brandsweets.com/colors/brands/instacart-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #669c40 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), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #669c40 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 #669c40: 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 #669c40 — 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 #669c40, 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 #669c40 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

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

- On white (#ffffff): 3.28:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #558235 (4.53:1); AA: background → #262626 (4.61:1); AAA: text → #406228 (7.01:1)
- On black (#000000): 6.39:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6da744 (7.26:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/669c40-aabea2-5d4edf-1f2d20-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: "#669c40" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.