# #a3e01f

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

## Values

- Hex: `#a3e01f`
- RGB: rgb(163, 224, 31)
- HSL: hsl(79, 76%, 50%)
- OKLCH: oklch(0.834 0.209 127.3)
- Relative luminance: 0.612
- Nearest named color: Conifer (#b1dd52, Δ 3.82) — https://brandsweets.com/colors/conifer
- Moods: vivid
- Page: https://brandsweets.com/colors/a3e01f

## Tints & shades

- Tints (toward white): #ace335, #b5e74b, #bde95d, #c6ec74, #cfef8a, #d8f2a1, #e2f5b7, #e9f8c9, #f2fbe0, #fbfef6
- Shades (toward black): #93ca1c, #86b819, #75a216, #689014, #587911, #48630d, #3b510b, #2a3a08, #1d2806, #0d1202

## Harmonies

- Complementary: #5c1fe0
- Analogous: #e0bd1f, #42e01f
- Triadic: #1fa3e0, #e01fa3
- Split-complementary: #1f42e0, #bd1fe0
- Tetradic: #1fe0bd, #5c1fe0, #e01f42

## Colors that go with #a3e01f

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 #a3e01f 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
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #a3e01f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #a3e01f in 6 real palettes, including Citrus Grove and Acer's brand system, as the text colour against it. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Acer (https://brandsweets.com/colors/brands/acer-com), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/taupe
- **Blue** #0000ff [pool] — 3 real palettes, including MongoDB's brand system and Robinhood's brand system put Blue beside #a3e01f, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #a3e01f: 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
- **Mustard Yellow** #ffdb58 [pool] — 3 real palettes, including Citrus Grove and Meadow put Mustard Yellow beside #a3e01f, as the accent. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Meadow (https://brandsweets.com/palettes/light#meadow), Lay's (https://brandsweets.com/colors/brands/lays-com). — https://brandsweets.com/colors/mustard
- **Light Coral** #f08080 [harmony, pool: triadic] — Light Coral completes a triad with #a3e01f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral
- **Emerald Green** #50c878 [harmony, pool: analogous] — Emerald Green is #a3e01f's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Peloton (https://brandsweets.com/colors/brands/peloton-com). — https://brandsweets.com/colors/emerald-green

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

- On white (#ffffff): 1.59:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5b7e11 (4.73:1); AA: background → #575757 (4.56:1); AAA: text → #445e0d (7.36:1); AAA: background → #3b3b3b (7.06:1)
- On black (#000000): 13.24:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Neobank** (vivid, bold, modern) — #6d28d9, #0f0f0f, #a3e635, #ffffff — Purple-and-lime is the challenger-bank uniform — high energy, and clearly not a legacy bank. — tool: https://brandsweets.com/palettes/new/6d28d9-0f0f0f-a3e635-ffffff — collection: https://brandsweets.com/palettes/vivid

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a3e01f-b2bea2-4e66df-232d1f-f1f0e9?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: "#a3e01f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.