# #66981b

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

## Values

- Hex: `#66981b`
- RGB: rgb(102, 152, 27)
- HSL: hsl(84, 70%, 35%)
- OKLCH: oklch(0.621 0.157 130)
- Relative luminance: 0.2536
- Nearest named color: Bitter Leaf (#669841, Δ 2.857) — https://brandsweets.com/colors/bitter-leaf
- Moods: vivid
- Page: https://brandsweets.com/colors/66981b

## Tints & shades

- Tints (toward white): #77b21f, #8cd025, #9adc38, #a7e052, #b7e670, #c4ea8a, #d1efa4, #def4be, #edf9dc, #fbfdf6
- Shades (toward black): #5d8b18, #547e16, #4c7114, #436412, #3a570f, #2f450c, #26380a, #1d2b08, #141e05, #0c1103

## Harmonies

- Complementary: #4d1b98
- Analogous: #988b1b, #27981b
- Triadic: #1b6698, #981b66
- Split-complementary: #1b2798, #8b1b98
- Tetradic: #1b988b, #4d1b98, #981b27

## Colors that go with #66981b

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 #66981b: 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), Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #66981b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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
- **Blue** #0000ff [pool] — 5 real palettes, including Instacart's brand system and Spotify's brand system put Blue beside #66981b, as the accent. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #66981b: 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #66981b in 5 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 #66981b in 8 real palettes, including Acer's brand system and Instacart's brand system, as that palette's text colour. Seen in: Acer (https://brandsweets.com/colors/brands/acer-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/taupe
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #66981b 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
- **Dodger Blue** #1e90ff [harmony, pool: triadic] — Dodger Blue completes a triad with #66981b — 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). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 3.46:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #578217 (4.55:1); AA: background → #212121 (4.66:1); AAA: text → #405f11 (7.34:1)
- On black (#000000): 6.07:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6ea51d (7.06:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/66981b-afbea2-4e5adf-222d1f-f1f0e9?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: "#66981b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.