# #37fb58

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

## Values

- Hex: `#37fb58`
- RGB: rgb(55, 251, 88)
- HSL: hsl(130, 96%, 60%)
- OKLCH: oklch(0.865 0.254 145.1)
- Relative luminance: 0.7051
- Nearest named color: Cathode Green (#00ff55, Δ 1.404) — https://brandsweets.com/colors/cathode-green
- Moods: vivid
- Page: https://brandsweets.com/colors/37fb58

## Tints & shades

- Tints (toward white): #4bfb68, #5ffc79, #6efc86, #82fc96, #96fda7, #aafdb8, #befec9, #cdfed5, #e1fee6, #f5fff7
- Shades (toward black): #19fa3f, #05f52d, #04d727, #04be23, #03a01d, #038218, #026913, #024b0e, #013209, #001404

## Harmonies

- Complementary: #fb37da
- Analogous: #78fb37, #37fbba
- Triadic: #5837fb, #fb5837
- Split-complementary: #ba37fb, #fb3778
- Tetradic: #3778fb, #fb37da, #fbba37

## Colors that go with #37fb58

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

- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #37fb58 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: split] — Hot Pink is a split-complement of #37fb58: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #37fb58: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Blue** #0000ff [pool] — Two real palettes: MongoDB's brand system and Robinhood's brand system put Blue beside #37fb58, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #37fb58: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #37fb58: two real palettes: Remix's brand system and Prime Video's brand system, as the lead colour. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Red** #ff0000 [pool] — Red is paired with #37fb58 in two real palettes: Gatorade's brand system and Wise's brand system, as the supporting colour. Seen in: Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/red
- **Yellow Green** #9acd32 [harmony, pool: analogous] — Yellow Green is #37fb58's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Monster Energy (https://brandsweets.com/colors/brands/monsterenergy-com). — https://brandsweets.com/colors/yellowgreen

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

- On white (#ffffff): 1.39:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #038719 (4.68:1); AA: background → #5e5e5e (4.66:1); AAA: text → #026412 (7.41:1); AAA: background → #424242 (7.23:1)
- On black (#000000): 15.1:1 — 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/37fb58-a2beaa-b14edf-1f2d28-ecf1e9?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: "#37fb58" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.