# #63f443

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

## Values

- Hex: `#63f443`
- RGB: rgb(99, 244, 67)
- HSL: hsl(109, 89%, 61%)
- OKLCH: oklch(0.855 0.246 140.5)
- Relative luminance: 0.6776
- Nearest named color: Becquerel (#4bec13, Δ 3.392) — https://brandsweets.com/colors/becquerel
- Moods: vivid
- Page: https://brandsweets.com/colors/63f443

## Tints & shades

- Tints (toward white): #73f556, #7ff665, #8ff778, #9ff88b, #aff99f, #bbfaad, #cbfbc0, #dbfcd4, #e7fde2, #f7fef5
- Shades (toward black): #4cf226, #38f10e, #31d40c, #2ab70b, #259f09, #1e8208, #176506, #114804, #0b3003, #041301

## Harmonies

- Complementary: #d443f4
- Analogous: #bcf443, #43f47b
- Triadic: #4363f4, #f44363
- Split-complementary: #7b43f4, #f443bc
- Tetradic: #43bcf4, #d443f4, #f47b43

## Colors that go with #63f443

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #63f443 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #63f443 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 #63f443: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Lilac** #c8a2c8 [harmony: split] — Lilac is a split-complement of #63f443: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lilac
- **Blue** #0000ff [pool] — Two real palettes: MongoDB's brand system and Robinhood's brand system put Blue beside #63f443, 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 #63f443: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Lime Green** #32cd32 [pool] — Two real palettes: Duolingo's brand system and Monster Energy's brand system put Lime Green beside #63f443, 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 #63f443 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): 1.44:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1f8708 (4.64:1); AA: background → #5c5c5c (4.63:1); AAA: text → #176506 (7.24:1); AAA: background → #404040 (7.18:1)
- On black (#000000): 14.55:1 — 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/63f443-a4bea2-7e4edf-1f2d23-eef1e9?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: "#63f443" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.