# #37be39

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

## Values

- Hex: `#37be39`
- RGB: rgb(55, 190, 57)
- HSL: hsl(121, 55%, 48%)
- OKLCH: oklch(0.704 0.207 143.2)
- Relative luminance: 0.3793
- Nearest named color: Exit Light (#55bb33, Δ 1.807) — https://brandsweets.com/colors/exit-light
- Moods: neutral
- Page: https://brandsweets.com/colors/37be39

## Tints & shades

- Tints (toward white): #45c947, #59cf5b, #6dd56e, #81da82, #94e096, #a8e6a9, #bcebbd, #d0f1d0, #e3f7e4, #f7fdf7
- Shades (toward black): #32ae35, #2d9a2f, #288a2a, #227724, #1e671f, #19571a, #144314, #0f3310, #09200a, #051005

## Harmonies

- Complementary: #be37bb
- Analogous: #78be37, #37be7d
- Triadic: #3937be, #be3937
- Split-complementary: #7d37be, #be3778
- Tetradic: #3778be, #be37bb, #be7d37

## Colors that go with #37be39

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 #37be39: 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), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #37be39 in 5 real palettes, including Brilliant's brand system and Console Light, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #37be39 in 9 real palettes, including Obsidian's brand system and Meadow, as the text colour against it. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Meadow (https://brandsweets.com/palettes/light#meadow), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #37be39: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/hotpink
- **Orchid** #da70d6 [harmony: complementary] — Orchid sits directly opposite #37be39 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/orchid
- **Medium Purple** #9370db [harmony, pool: split] — Medium Purple is a split-complement of #37be39: 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), Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/mediumpurple
- **Blue** #0000ff [pool] — 3 real palettes, including Spotify's brand system and Minecraft's brand system put Blue beside #37be39, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #37be39 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 2.45:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #278629 (4.64:1); AA: background → #3b3b3b (4.58:1); AAA: text → #1d631e (7.35:1); AAA: background → #1a1a1a (7.12:1)
- On black (#000000): 8.59:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/37be39-a2bea6-9b4edf-1f2d26-edf1e9?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: "#37be39" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.