# #63ed31

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

## Values

- Hex: `#63ed31`
- RGB: rgb(99, 237, 49)
- HSL: hsl(104, 84%, 56%)
- OKLCH: oklch(0.837 0.247 139.3)
- Relative luminance: 0.6344
- Nearest named color: Becquerel (#4bec13, Δ 1.998) — https://brandsweets.com/colors/becquerel
- Moods: vivid
- Page: https://brandsweets.com/colors/63ed31

## Tints & shades

- Tints (toward white): #71ef43, #7ff056, #91f26e, #9ff480, #adf693, #bcf7a6, #caf9b9, #dcfbd0, #eafde3, #f8fef6
- Shades (toward black): #51eb19, #47d813, #3ebc10, #36a40e, #2f8d0c, #27750a, #1f5e08, #164206, #0e2a04, #061302

## Harmonies

- Complementary: #bb31ed
- Analogous: #c1ed31, #31ed5d
- Triadic: #3163ed, #ed3163
- Split-complementary: #5d31ed, #ed31c1
- Tetradic: #31c1ed, #bb31ed, #ed5d31

## Colors that go with #63ed31

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 #63ed31 — 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), Learning App (https://brandsweets.com/palettes/playful#learning-app), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #63ed31 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
- **Taupe** #483c32 [pool] — Taupe is paired with #63ed31 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 #63ed31: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Blue** #0000ff [pool] — Two real palettes: MongoDB's brand system and Robinhood's brand system put Blue beside #63ed31, 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 #63ed31: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony: split] — Lilac is a split-complement of #63ed31: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lilac
- **Red** #ff0000 [pool] — Red is paired with #63ed31 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): 1.53:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2d880c (4.53:1); AA: background → #595959 (4.57:1); AAA: text → #216309 (7.36:1); AAA: background → #3d3d3d (7.08:1)
- On black (#000000): 13.69:1 — 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/63ed31-a6bea2-724edf-1f2d22-eff1e9?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: "#63ed31" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.