# #a3ff4d

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

## Values

- Hex: `#a3ff4d`
- RGB: rgb(163, 255, 77)
- HSL: hsl(91, 100%, 65%)
- OKLCH: oklch(0.909 0.224 133.1)
- Relative luminance: 0.7984
- Nearest named color: greenyellow (#adff2f, Δ 1.595) — https://brandsweets.com/colors/greenyellow
- Moods: vivid
- Page: https://brandsweets.com/colors/a3ff4d

## Tints & shades

- Tints (toward white): #abff5c, #b5ff70, #bdff80, #c5ff8f, #d0ffa3, #d7ffb3, #dfffc2, #e7ffd1, #f2ffe5, #fafff5
- Shades (toward black): #93ff2e, #83ff0f, #74f000, #65d100, #56b300, #458f00, #367000, #275200, #193300, #0a1400

## Harmonies

- Complementary: #a94dff
- Analogous: #fcff4d, #4dff4f
- Triadic: #4da3ff, #ff4da3
- Split-complementary: #4f4dff, #ff4dfc
- Tetradic: #4dfcff, #a94dff, #ff4f4d

## Colors that go with #a3ff4d

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 #a3ff4d 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
- **Blue** #0000ff [pool] — 3 real palettes, including Robinhood's brand system and MongoDB's brand system put Blue beside #a3ff4d, 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 #a3ff4d: 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
- **Red** #ff0000 [pool] — Red is paired with #a3ff4d 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
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #a3ff4d — 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). — https://brandsweets.com/colors/deepskyblue
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #a3ff4d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Crimson** #dc143c [pool] — Crimson is paired with #a3ff4d in two real palettes: Wise's brand system and Ferrari's brand system, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Ferrari (https://brandsweets.com/colors/brands/ferrari-com). — https://brandsweets.com/colors/crimson
- **Deep Pink** #ff1493 [pool] — Two real palettes: Arcade and JetBrains's brand system put Deep Pink beside #a3ff4d, as the lead colour. Seen in: Arcade (https://brandsweets.com/palettes/vivid#arcade), JetBrains (https://brandsweets.com/colors/brands/jetbrains-com). — https://brandsweets.com/colors/deeppink

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

- On white (#ffffff): 1.24:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #408500 (4.59:1); AA: background → #666666 (4.64:1); AAA: text → #2f6100 (7.42:1); AAA: background → #4a4a4a (7.16:1)
- On black (#000000): 16.97:1 — 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/a3ff4d-acbea2-534edf-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: "#a3ff4d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.