# #54ef43

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

## Values

- Hex: `#54ef43`
- RGB: rgb(84, 239, 67)
- HSL: hsl(114, 84%, 60%)
- OKLCH: oklch(0.839 0.246 141.7)
- Relative luminance: 0.6402
- Nearest named color: Becquerel (#4bec13, Δ 2.23) — https://brandsweets.com/colors/becquerel
- Moods: vivid
- Page: https://brandsweets.com/colors/54ef43

## Tints & shades

- Tints (toward white): #66f056, #77f269, #83f377, #94f58a, #a5f69c, #b7f8af, #c8fac2, #d4fbd0, #e5fde3, #f6fef6
- Shades (toward black): #3bec27, #29e614, #24ca12, #20b210, #1b960d, #167a0b, #126309, #0d4606, #082f04, #031302

## Harmonies

- Complementary: #de43ef
- Analogous: #aaef43, #43ef88
- Triadic: #4354ef, #ef4354
- Split-complementary: #8843ef, #ef43aa
- Tetradic: #43aaef, #de43ef, #ef8843

## Colors that go with #54ef43

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 #54ef43 — 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 #54ef43 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 #54ef43: 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 #54ef43: 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 #54ef43, 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 #54ef43: 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 #54ef43 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 #54ef43 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

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

- On white (#ffffff): 1.52:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #18880c (4.6:1); AA: background → #595959 (4.6:1); AAA: text → #126709 (7.07:1); AAA: background → #3d3d3d (7.14:1)
- On black (#000000): 13.8:1 — 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/54ef43-a2bea2-8a4edf-1f2d24-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: "#54ef43" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.