# #a4e042

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

## Values

- Hex: `#a4e042`
- RGB: rgb(164, 224, 66)
- HSL: hsl(83, 72%, 57%)
- OKLCH: oklch(0.837 0.193 128.2)
- Relative luminance: 0.616
- Nearest named color: Conifer (#b1dd52, Δ 2.332) — https://brandsweets.com/colors/conifer
- Moods: vivid
- Page: https://brandsweets.com/colors/a4e042

## Tints & shades

- Tints (toward white): #ace354, #b5e665, #bde977, #c6ec89, #d0ef9f, #d9f2b0, #e1f5c2, #eaf8d3, #f2fbe5, #fbfef6
- Shades (toward black): #99dd2c, #89ca21, #7ab41d, #6b9e1a, #5c8816, #4a6e12, #3c580e, #2d420b, #1b2706, #0c1203

## Harmonies

- Complementary: #7f42e0
- Analogous: #e0ce42, #55e042
- Triadic: #42a4e0, #e042a4
- Split-complementary: #4255e0, #ce42e0
- Tetradic: #42e0ce, #7f42e0, #e04255

## Colors that go with #a4e042

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

- **Blue** #0000ff [pool] — 4 real palettes, including MongoDB's brand system and Robinhood's brand system put Blue beside #a4e042, 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), Binance (https://brandsweets.com/colors/brands/binance-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #a4e042 in 5 real palettes, including Wise's brand system and Lay's's brand system, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Lay's (https://brandsweets.com/colors/brands/lays-com), Diner (https://brandsweets.com/palettes/vivid#diner), Tabloid (https://brandsweets.com/palettes/editorial#tabloid). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #a4e042 — 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
- **Gold** #ffd700 [pool] — Gold shows up next to #a4e042 in 4 real palettes, including Prime Video's brand system and Ikea's brand system, as the lead colour. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Ikea (https://brandsweets.com/colors/brands/ikea-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com), Paddle (https://brandsweets.com/colors/brands/paddle-com). — https://brandsweets.com/colors/gold
- **Red** #ff0000 [pool] — Red is paired with #a4e042 in 5 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), Wired (https://brandsweets.com/colors/brands/wired-com), Paddle (https://brandsweets.com/colors/brands/paddle-com). — https://brandsweets.com/colors/red
- **Plum** #dda0dd [harmony: complementary] — Plum sits directly opposite #a4e042 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/plum
- **Violet** #ee82ee [harmony, pool: split] — Violet is a split-complement of #a4e042: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Gumroad (https://brandsweets.com/colors/brands/gumroad-com). — https://brandsweets.com/colors/violet
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #a4e042: 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

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

- On white (#ffffff): 1.58:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #567f15 (4.73:1); AA: background → #575757 (4.58:1); AAA: text → #426010 (7.21:1); AAA: background → #3b3b3b (7.1:1)
- On black (#000000): 13.32:1 — 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/a4e042-b0bea2-4e5ddf-222d1f-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: "#a4e042" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.