# #3f9730

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

## Values

- Hex: `#3f9730`
- RGB: rgb(63, 151, 48)
- HSL: hsl(111, 52%, 39%)
- OKLCH: oklch(0.601 0.163 140.9)
- Relative luminance: 0.234
- Nearest named color: Grass Is Greener (#3f9b0b, Δ 2.538) — https://brandsweets.com/colors/grass-is-greener
- Moods: neutral
- Page: https://brandsweets.com/colors/3f9730

## Tints & shades

- Tints (toward white): #49ae37, #55c341, #69ca58, #7ed270, #93d987, #a5df9a, #b9e7b1, #ceeec9, #e3f5e0, #f8fdf7
- Shades (toward black): #3a8c2c, #347c27, #2f7023, #29611f, #24551b, #1d4616, #183a12, #122b0d, #0d1f0a, #061005

## Harmonies

- Complementary: #883097
- Analogous: #739730, #309754
- Triadic: #303f97, #97303f
- Split-complementary: #543097, #973073
- Tetradic: #307397, #883097, #975430

## Colors that go with #3f9730

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 #3f9730: 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), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #3f9730 — 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), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #3f9730 — 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), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/royalblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #3f9730: 6 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
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Telehealth and Fintech Trust put Midnight Blue beside #3f9730, 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
- **Taupe** #483c32 [pool] — Taupe is paired with #3f9730 in 7 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 #3f9730 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 #3f9730: 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

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

- On white (#ffffff): 3.7:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #37842a (4.67:1); AA: background → #1c1c1c (4.61:1); AAA: text → #2a6520 (7.05:1)
- On black (#000000): 5.68:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #47ab36 (7.15:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/3f9730-a3bea2-834edf-1f2d23-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: "#3f9730" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.