# #439e1f

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

## Values

- Hex: `#439e1f`
- RGB: rgb(67, 158, 31)
- HSL: hsl(103, 67%, 37%)
- OKLCH: oklch(0.62 0.18 138.8)
- Relative luminance: 0.2575
- Nearest named color: Grass Is Greener (#3f9b0b, Δ 1.189) — https://brandsweets.com/colors/grass-is-greener
- Moods: vivid
- Page: https://brandsweets.com/colors/439e1f

## Tints & shades

- Tints (toward white): #4eb724, #59d129, #6bd93f, #7fde59, #96e477, #a9e990, #bdeeaa, #d1f3c3, #e5f8dd, #f8fdf6
- Shades (toward black): #3e911d, #368019, #317317, #2b6614, #265912, #1f480e, #193c0c, #142f09, #0d1e06, #071103

## Harmonies

- Complementary: #7a1f9e
- Analogous: #829e1f, #1f9e3b
- Triadic: #1f439e, #9e1f43
- Split-complementary: #3b1f9e, #9e1f82
- Tetradic: #1f829e, #7a1f9e, #9e3b1f

## Colors that go with #439e1f

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 #439e1f: 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
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #439e1f — 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), Coinbase (https://brandsweets.com/colors/brands/coinbase), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Blue** #0000ff [pool] — 5 real palettes, including Instacart's brand system and Spotify's brand system put Blue beside #439e1f, 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), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #439e1f: 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
- **Dodger Blue** #1e90ff [harmony, pool: triadic] — Dodger Blue completes a triad with #439e1f — 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), Playground (https://brandsweets.com/palettes/bold#playground), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/dodgerblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #439e1f 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), Coinbase (https://brandsweets.com/colors/brands/coinbase), Xbox (https://brandsweets.com/colors/brands/xbox-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #439e1f 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), Meadow (https://brandsweets.com/palettes/light#meadow), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Medium Slate Blue** #7b68ee [harmony, pool: split] — Medium Slate Blue is a split-complement of #439e1f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/mediumslateblue

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

- On white (#ffffff): 3.42:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #38841a (4.68:1); AA: background → #242424 (4.55:1); AAA: text → #2a6213 (7.36:1)
- On black (#000000): 6.15:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #48aa22 (7.05:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/439e1f-a6bea2-704edf-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: "#439e1f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.