# #a3fa57

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

## Values

- Hex: `#a3fa57`
- RGB: rgb(163, 250, 87)
- HSL: hsl(92, 94%, 66%)
- OKLCH: oklch(0.898 0.211 133.2)
- Relative luminance: 0.7685
- Nearest named color: greenyellow (#adff2f, Δ 2.924) — https://brandsweets.com/colors/greenyellow
- Moods: vivid
- Page: https://brandsweets.com/colors/a3fa57

## Tints & shades

- Tints (toward white): #abfa66, #b3fb74, #befb88, #c6fc97, #cefca6, #d6fdb5, #defdc4, #e9fed7, #f1fee6, #fafff5
- Shades (toward black): #93f939, #82f81b, #70e907, #62cb06, #54ad05, #458f04, #377204, #264f02, #183102, #0a1401

## Harmonies

- Complementary: #ae57fa
- Analogous: #f4fa57, #57fa5c
- Triadic: #57a3fa, #fa57a3
- Split-complementary: #5c57fa, #fa57f4
- Tetradic: #57f4fa, #ae57fa, #fa5c57

## Colors that go with #a3fa57

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, pool: complementary] — Violet sits directly opposite #a3fa57 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Gumroad (https://brandsweets.com/colors/brands/gumroad-com). — https://brandsweets.com/colors/violet
- **Taupe** #483c32 [pool] — Taupe is paired with #a3fa57 in 4 real palettes, including Calvin Klein's brand system and Tommy Hilfiger's brand system, as the lead colour. Seen in: Calvin Klein (https://brandsweets.com/colors/brands/calvinklein-us), Tommy Hilfiger (https://brandsweets.com/colors/brands/tommy-com), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/taupe
- **Blue** #0000ff [pool] — 3 real palettes, including Robinhood's brand system and MongoDB's brand system put Blue beside #a3fa57, as the supporting colour. Seen in: Robinhood (https://brandsweets.com/colors/brands/robinhood-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #a3fa57: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #a3fa57 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Red** #ff0000 [pool] — Red is paired with #a3fa57 in 3 real palettes, including Wise's brand system and Gatorade's brand system, as the lead colour. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Heineken (https://brandsweets.com/colors/brands/heineken-com). — https://brandsweets.com/colors/red
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #a3fa57: 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 #a3fa57: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lilac

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

- On white (#ffffff): 1.28:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #418604 (4.53:1); AA: background → #636363 (4.68:1); AAA: text → #306303 (7.21:1); AAA: background → #474747 (7.24:1)
- On black (#000000): 16.37:1 — 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/a3fa57-acbea2-564edf-202d1f-f1f1e9?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: "#a3fa57" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.