# #37d303

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

## Values

- Hex: `#37d303`
- RGB: rgb(55, 211, 3)
- HSL: hsl(105, 97%, 42%)
- OKLCH: oklch(0.757 0.247 140.8)
- Relative luminance: 0.4741
- Nearest named color: Candy Green (#33cc00, Δ 2.002) — https://brandsweets.com/colors/candy-green
- Moods: vivid
- Page: https://brandsweets.com/colors/37d303

## Tints & shades

- Tints (toward white): #3ff104, #4dfb13, #64fc31, #77fc4a, #8dfd68, #a4fd86, #b7fea0, #cefebe, #e1fed7, #f7fff5
- Shades (toward black): #32bf03, #2dab03, #299c02, #238802, #1e7402, #195f01, #144b01, #103c01, #0b2801, #051400

## Harmonies

- Complementary: #9f03d3
- Analogous: #9fd303, #03d337
- Triadic: #0337d3, #d30337
- Split-complementary: #3703d3, #d3039f
- Tetradic: #039fd3, #9f03d3, #d33703

## Colors that go with #37d303

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

- **Taupe** #483c32 [pool] — Taupe is paired with #37d303 in 8 real palettes, including WhatsApp's brand system and Minecraft's brand system, as the supporting colour. Seen in: WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Acer (https://brandsweets.com/colors/brands/acer-com). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #37d303 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/violet
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #37d303: 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
- **Blue** #0000ff [pool] — 3 real palettes, including Minecraft's brand system and MongoDB's brand system put Blue beside #37d303, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #37d303 in 3 real palettes, including Learning App and Playground, as the accent. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Playground (https://brandsweets.com/palettes/bold#playground), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/darkorange
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #37d303 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Light Coral** #f08080 [harmony, pool: triadic] — Light Coral completes a triad with #37d303 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #37d303: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 2:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #238802 (4.57:1); AA: background → #474747 (4.64:1); AAA: text → #1a6402 (7.32:1); AAA: background → #2b2b2b (7.07:1)
- On black (#000000): 10.48:1 — 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/37d303-a6bea2-754edf-1f2d22-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: "#37d303" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.