# #13f63d

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

## Values

- Hex: `#13f63d`
- RGB: rgb(19, 246, 61)
- HSL: hsl(131, 93%, 52%)
- OKLCH: oklch(0.846 0.27 144.2)
- Relative luminance: 0.6639
- Nearest named color: Cathode Green (#00ff55, Δ 2.576) — https://brandsweets.com/colors/cathode-green
- Moods: vivid
- Page: https://brandsweets.com/colors/13f63d

## Tints & shades

- Tints (toward white): #2bf751, #3ff861, #58f975, #6bfa85, #84fb9a, #9dfbae, #b0fcbe, #c9fdd2, #ddfee3, #f5fff7
- Shades (toward black): #08e731, #07cf2c, #07bb28, #06a223, #058a1d, #047118, #035913, #02450f, #022c09, #011404

## Harmonies

- Complementary: #f613cd
- Analogous: #5bf613, #13f6ae
- Triadic: #3d13f6, #f63d13
- Split-complementary: #ae13f6, #f6135b
- Tetradic: #135bf6, #f613cd, #f6ae13

## Colors that go with #13f63d

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 #13f63d 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 #13f63d: 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
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #13f63d: 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 #13f63d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #13f63d: 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 #13f63d 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 #13f63d'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
- **Salmon** #fa8072 [harmony: triadic] — Salmon completes a triad with #13f63d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/salmon

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

- On white (#ffffff): 1.47:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #058a1d (4.51:1); AA: background → #5c5c5c (4.55:1); AAA: text → #046716 (7.1:1); AAA: background → #404040 (7.05:1)
- On black (#000000): 14.28:1 — 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/13f63d-a2beaa-b34edf-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: "#13f63d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.