# #37a503

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

## Values

- Hex: `#37a503`
- RGB: rgb(55, 165, 3)
- HSL: hsl(101, 96%, 33%)
- OKLCH: oklch(0.634 0.201 139.5)
- Relative luminance: 0.2773
- Nearest named color: Botanical Garden (#44aa11, Δ 1.842) — https://brandsweets.com/colors/botanical-garden
- Moods: vivid
- Page: https://brandsweets.com/colors/37a503

## Tints & shades

- Tints (toward white): #42c804, #4ce605, #5dfa14, #72fb32, #8afc55, #9efc73, #b7fd96, #cbfdb4, #e3fed7, #f8fff5
- Shades (toward black): #329603, #2d8703, #287802, #236902, #1f5f02, #1a5002, #154101, #113201, #0c2301, #071400

## Harmonies

- Complementary: #7203a5
- Analogous: #87a503, #03a521
- Triadic: #0337a5, #a50337
- Split-complementary: #2103a5, #a50387
- Tetradic: #0387a5, #7203a5, #a52103

## Colors that go with #37a503

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 #37a503, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Instacart (https://brandsweets.com/colors/brands/instacart-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Dodger Blue** #1e90ff [harmony, pool: triadic] — Dodger Blue completes a triad with #37a503 — 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
- **Taupe** #483c32 [pool] — Taupe is paired with #37a503 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), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Medium Slate Blue** #7b68ee [harmony, pool: split] — Medium Slate Blue is a split-complement of #37a503: 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
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #37a503 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #37a503: 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #37a503 in 3 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). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #37a503: 3 real palettes, including Olympics's brand system and Fintech Trust, as the lead colour. Seen in: Olympics (https://brandsweets.com/colors/brands/olympics-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com). — https://brandsweets.com/colors/steelblue

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

- On white (#ffffff): 3.21:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2d8703 (4.59:1); AA: background → #292929 (4.53:1); AAA: text → #216402 (7.27:1)
- On black (#000000): 6.55:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #3aaf04 (7.31:1)

## Brands using this color

- **Prada** — accent #10a70d (Δ 1.428) — https://brandsweets.com/colors/brands/prada-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/37a503-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: "#37a503" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.