# #13ec37

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

## Values

- Hex: `#13ec37`
- RGB: rgb(19, 236, 55)
- HSL: hsl(130, 85%, 50%)
- OKLCH: oklch(0.82 0.263 144)
- Relative luminance: 0.6041
- Nearest named color: Becquerel (#4bec13, Δ 1.828) — https://brandsweets.com/colors/becquerel
- Moods: vivid
- Page: https://brandsweets.com/colors/13ec37

## Tints & shades

- Tints (toward white): #2bee4b, #42f05f, #55f16f, #6df383, #84f597, #9cf7ab, #b4f9bf, #c6facf, #defce3, #f6fef7
- Shades (toward black): #11d432, #10c12d, #0eaa28, #0c9723, #0a7f1e, #086818, #075514, #053d0e, #032a0a, #021304

## Harmonies

- Complementary: #ec13c8
- Analogous: #5bec13, #13eca4
- Triadic: #3713ec, #ec3713
- Split-complementary: #a413ec, #ec135b
- Tetradic: #135bec, #ec13c8, #eca413

## Colors that go with #13ec37

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 #13ec37 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 #13ec37: 3 real palettes, including Remix's brand system and Learning App, as the lead colour. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Learning App (https://brandsweets.com/palettes/playful#learning-app), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #13ec37 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), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #13ec37: 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 #13ec37: 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 Minecraft's brand system put Blue beside #13ec37, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #13ec37: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Red** #ff0000 [pool] — Red is paired with #13ec37 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): 1.61:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0b8920 (4.55:1); AA: background → #575757 (4.5:1); AAA: text → #086317 (7.48:1); AAA: background → #383838 (7.3:1)
- On black (#000000): 13.08:1 — 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/13ec37-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: "#13ec37" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.