# #37a42d

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

## Values

- Hex: `#37a42d`
- RGB: rgb(55, 164, 45)
- HSL: hsl(115, 57%, 41%)
- OKLCH: oklch(0.633 0.184 141.9)
- Relative luminance: 0.2755
- Nearest named color: Fennel Fiasco (#00aa44, Δ 2.262) — https://brandsweets.com/colors/fennel-fiasco
- Moods: neutral
- Page: https://brandsweets.com/colors/37a42d

## Tints & shades

- Tints (toward white): #3fbc34, #4aca3f, #61d157, #78d86f, #8ede87, #a1e49b, #b8eab3, #cef1cb, #e1f6df, #f7fdf7
- Shades (toward black): #329429, #2e8825, #287821, #23681d, #1f5c19, #194c15, #143c10, #0f2c0c, #0b2009, #051004

## Harmonies

- Complementary: #9a2da4
- Analogous: #72a42d, #2da45f
- Triadic: #2d37a4, #a42d37
- Split-complementary: #5f2da4, #a42d72
- Tetradic: #2d72a4, #9a2da4, #a45f2d

## Colors that go with #37a42d

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

- **Blue** #0000ff [pool] — 5 real palettes, including Spotify's brand system and Instacart's brand system put Blue beside #37a42d, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Instacart (https://brandsweets.com/colors/brands/instacart-com), Unity (https://brandsweets.com/colors/brands/unity-com), Kia (https://brandsweets.com/colors/brands/kia-com). — https://brandsweets.com/colors/blue
- **Dodger Blue** #1e90ff [harmony, pool: triadic] — Dodger Blue completes a triad with #37a42d — 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 #37a42d 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), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #37a42d in 8 real palettes, including Instacart's brand system and Obsidian's brand system, as the lead colour. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Meadow (https://brandsweets.com/palettes/light#meadow), Acer (https://brandsweets.com/colors/brands/acer-com). — https://brandsweets.com/colors/taupe
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #37a42d 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 Purple** #9370db [harmony, pool: split] — Medium Purple is a split-complement of #37a42d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/mediumpurple
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #37a42d: 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). — https://brandsweets.com/colors/charcoal
- **Orange** #ffa500 [pool] — 3 real palettes, including Olympics's brand system and Mint Modern put Orange beside #37a42d, as the supporting colour. Seen in: Olympics (https://brandsweets.com/colors/brands/olympics-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Farmers Market (https://brandsweets.com/palettes/warm#farmers-market). — https://brandsweets.com/colors/orange

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

- On white (#ffffff): 3.23:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2e8825 (4.5:1); AA: background → #292929 (4.51:1); AAA: text → #21641b (7.23:1)
- On black (#000000): 6.51:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #3aac2f (7.12:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/37a42d-a2bea3-8d4edf-1f2d24-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: "#37a42d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.