# #56fb59

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

## Values

- Hex: `#56fb59`
- RGB: rgb(86, 251, 89)
- HSL: hsl(121, 95%, 66%)
- OKLCH: oklch(0.871 0.245 143.4)
- Relative luminance: 0.7169
- Nearest named color: Cathode Green (#00ff55, Δ 2.442) — https://brandsweets.com/colors/cathode-green
- Moods: vivid
- Page: https://brandsweets.com/colors/56fb59

## Tints & shades

- Tints (toward white): #65fb67, #74fb76, #88fc8a, #97fc98, #a5fda7, #b4fdb6, #c3fdc4, #d7fed8, #e6fee7, #f5fff5
- Shades (toward black): #38fa3b, #1af91e, #06ea0a, #05cc09, #04ae07, #049006, #037205, #025003, #013202, #011401

## Harmonies

- Complementary: #fb56f8
- Analogous: #a6fb56, #56fbab
- Triadic: #5956fb, #fb5956
- Split-complementary: #ab56fb, #fb56a6
- Tetradic: #56a6fb, #fb56f8, #fbab56

## Colors that go with #56fb59

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 #56fb59 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #56fb59: 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). — https://brandsweets.com/colors/charcoal
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #56fb59: 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 #56fb59: 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 #56fb59, 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #56fb59: 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
- **Lime Green** #32cd32 [pool] — Two real palettes: Duolingo's brand system and Monster Energy's brand system put Lime Green beside #56fb59, as the lead colour. Seen in: Duolingo (https://brandsweets.com/colors/brands/duolingo), Monster Energy (https://brandsweets.com/colors/brands/monsterenergy-com). — https://brandsweets.com/colors/limegreen
- **Red** #ff0000 [pool] — Red is paired with #56fb59 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

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

- On white (#ffffff): 1.37:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #038606 (4.75:1); AA: background → #616161 (4.52:1); AAA: text → #036804 (7.03:1); AAA: background → #454545 (7:1)
- On black (#000000): 15.34:1 — 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/56fb59-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: "#56fb59" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.