# #3f9717

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

## Values

- Hex: `#3f9717`
- RGB: rgb(63, 151, 23)
- HSL: hsl(101, 74%, 34%)
- OKLCH: oklch(0.599 0.177 138.5)
- Relative luminance: 0.2325
- Nearest named color: Grass Is Greener (#3f9b0b, Δ 1.335) — https://brandsweets.com/colors/grass-is-greener
- Moods: vivid
- Page: https://brandsweets.com/colors/3f9717

## Tints & shades

- Tints (toward white): #4ab11b, #57d11f, #67e02e, #7de44e, #91e868, #a4ec83, #bbf1a2, #cef5bc, #e5fadc, #f9fef6
- Shades (toward black): #3a8a15, #347c13, #2e6f11, #29620f, #23540d, #1e470b, #183a09, #132c07, #0d1f05, #071203

## Harmonies

- Complementary: #6e1797
- Analogous: #7f9717, #17972e
- Triadic: #173f97, #97173f
- Split-complementary: #2e1797, #97177f
- Tetradic: #177f97, #6e1797, #972e17

## Colors that go with #3f9717

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #3f9717 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #3f9717 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Coinbase (https://brandsweets.com/colors/brands/coinbase), Xbox (https://brandsweets.com/colors/brands/xbox-com). — https://brandsweets.com/colors/royalblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #3f9717: 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). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #3f9717: 5 real palettes, including Xbox's brand system and Intel's brand system, as the supporting colour. Seen in: Xbox (https://brandsweets.com/colors/brands/xbox-com), 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
- **Taupe** #483c32 [pool] — Taupe is paired with #3f9717 in 4 real palettes, including Instacart's brand system and Acer's brand system, as the lead colour. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Acer (https://brandsweets.com/colors/brands/acer-com), Subaru (https://brandsweets.com/colors/brands/subaru-com), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/taupe
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #3f9717 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
- **Medium Violet Red** #c71585 [harmony, pool: split] — Medium Violet Red is a split-complement of #3f9717: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/mediumvioletred
- **Blue** #0000ff [pool] — 3 real palettes, including Instacart's brand system and Kia's brand system put Blue beside #3f9717, as the accent. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Kia (https://brandsweets.com/colors/brands/kia-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 3.72:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #388514 (4.63:1); AA: background → #1c1c1c (4.59:1); AAA: text → #29620f (7.37:1)
- On black (#000000): 5.65:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #48ad1a (7.27:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/3f9717-a7bea2-6b4edf-1f2d21-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: "#3f9717" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.