# #13f00f

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

## Values

- Hex: `#13f00f`
- RGB: rgb(19, 240, 15)
- HSL: hsl(119, 88%, 50%)
- OKLCH: oklch(0.829 0.279 142.5)
- Relative luminance: 0.6249
- Nearest named color: Becquerel (#4bec13, Δ 1.865) — https://brandsweets.com/colors/becquerel
- Moods: vivid
- Page: https://brandsweets.com/colors/13f00f

## Tints & shades

- Tints (toward white): #2bf127, #42f33f, #55f452, #6df66a, #84f782, #9cf99a, #b3fab2, #c6fbc5, #defddd, #f6fef5
- Shades (toward black): #11d80e, #10c50d, #0ead0b, #0c990a, #0a8108, #086907, #075606, #053e04, #032b03, #021301

## Harmonies

- Complementary: #ec0ff0
- Analogous: #83f00f, #0ff07c
- Triadic: #0f13f0, #f00f13
- Split-complementary: #7c0ff0, #f00f83
- Tetradic: #0f83f0, #ec0ff0, #f07c0f

## Colors that go with #13f00f

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 #13f00f 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 #13f00f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #13f00f: 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 #13f00f: two real palettes: 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). — https://brandsweets.com/colors/deepskyblue
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #13f00f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Red** #ff0000 [pool] — Red is paired with #13f00f 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #13f00f in two real palettes: MongoDB's brand system and Brilliant's brand system, as the supporting colour. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Light Coral** #f08080 [harmony: triadic] — Light Coral completes a triad with #13f00f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/lightcoral

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

- On white (#ffffff): 1.56:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0b8609 (4.74:1); AA: background → #595959 (4.5:1); AAA: text → #086506 (7.31:1); AAA: background → #3b3b3b (7.2:1)
- On black (#000000): 13.5:1 — 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/13f00f-a2bea5-964edf-1f2d25-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: "#13f00f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.