# #51f059

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

## Values

- Hex: `#51f059`
- RGB: rgb(81, 240, 89)
- HSL: hsl(123, 84%, 63%)
- OKLCH: oklch(0.842 0.234 143.9)
- Relative luminance: 0.6479
- Nearest named color: Becquerel (#4bec13, Δ 3.686) — https://brandsweets.com/colors/becquerel
- Moods: vivid
- Page: https://brandsweets.com/colors/51f059

## Tints & shades

- Tints (toward white): #64f26b, #72f379, #85f48b, #93f698, #a6f7aa, #b4f8b7, #c7fac9, #d5fbd7, #e8fde9, #f6fef6
- Shades (toward black): #35ed3e, #19eb24, #12d31c, #10b718, #0ea015, #0b8311, #09670e, #074b0a, #042f06, #021302

## Harmonies

- Complementary: #f051e8
- Analogous: #99f051, #51f0a9
- Triadic: #5951f0, #f05951
- Split-complementary: #a951f0, #f05199
- Tetradic: #5199f0, #f051e8, #f0a951

## Colors that go with #51f059

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 #51f059 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #51f059: 3 real palettes, including 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), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #51f059 in 3 real palettes, including 7-Eleven's brand system and WhatsApp's brand system, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Acer (https://brandsweets.com/colors/brands/acer-com). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #51f059: 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 #51f059: 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 #51f059, 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 #51f059: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #51f059 in two real palettes: Electric Lime and Neon's brand system, as the accent. Seen in: Electric Lime (https://brandsweets.com/palettes/vivid#electric-lime), Neon (https://brandsweets.com/colors/brands/neon-tech). — https://brandsweets.com/colors/orangered

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

- On white (#ffffff): 1.5:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0c8812 (4.62:1); AA: background → #595959 (4.66:1); AAA: text → #09670e (7.1:1); AAA: background → #3d3d3d (7.22:1)
- On black (#000000): 13.96:1 — 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/51f059-a2bea6-a04edf-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: "#51f059" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.