Neobank
Open in tool →Purple-and-lime is the challenger-bank uniform — high energy, and clearly not a legacy bank.
Color
#a3e52a
#a3e52a
hex
#a3e52argb
rgb(163, 229, 42)hsl
hsl(81, 78%, 53%)oklch
oklch(0.846 0.211 128.3)Closest name: Inchworm (#b2ec5d)Relative luminance 0.6399
Colors that go with #a3e52a
Violet, Deep Sky Blue and Taupe lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Violet #ee82ee
complementaryshippedViolet sits directly opposite #a3e52a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Deep Sky Blue #00bfff
triadicshippedDeep Sky Blue completes a triad with #a3e52a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Taupe #483c32
shippedTaupe is paired with #a3e52a in 5 real palettes, including 7-Eleven's brand system and Citrus Grove, as the lead colour.
Blue #0000ff
shipped3 real palettes, including Robinhood's brand system and MongoDB's brand system put Blue beside #a3e52a, as the supporting colour.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #a3e52a: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Crimson #dc143c
shippedCrimson is paired with #a3e52a in two real palettes: Wise's brand system and Lay's's brand system, as the accent.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #a3e52a in two real palettes: 7-Eleven's brand system and Miro's brand system, as the supporting colour.
Dark Orange #ff8c00
shippedDark Orange shows up next to #a3e52a in two real palettes: Citrus Grove and Learning App, as the lead colour.
Real palettes that use #a3e52a
Tints & shades
Harmonies
Contrast
| #a3e52a as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.52:1 | fail | fail | fail | |
Aaon black | 13.8:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a3e52a as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
mcpConnect your agent — build around #a3e52a
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #a3e52a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/a3e52a-b1bea2-4e62df-222d1f-f1f0e9?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md