Neobank
Open in tool →Purple-and-lime is the challenger-bank uniform — high energy, and clearly not a legacy bank.
Color
#a4e331
#a4e331
hex
#a4e331rgb
rgb(164, 227, 49)hsl
hsl(81, 76%, 54%)oklch
oklch(0.843 0.205 128)Closest name: Conifer (#b1dd52)Relative luminance 0.6305
Colors that go with #a4e331
Violet, Deep Sky Blue and Charcoal 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 #a4e331 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 #a4e331 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #a4e331: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Taupe #483c32
shippedTaupe is paired with #a4e331 in 3 real palettes, including 7-Eleven's brand system and Citrus Grove, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Blue #0000ff
shippedBlue is paired with #a4e331 in two real palettes: MongoDB's brand system and Robinhood's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #a4e331 in two real palettes: Wise's brand system and Lay's's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Dark Olive Green #556b2f
shippedDark Olive Green is paired with #a4e331 in two real palettes: 7-Eleven's brand system and Miro's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Dark Orange #ff8c00
shippedDark Orange is paired with #a4e331 in two real palettes: Citrus Grove and Learning App, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #a4e331
Tints & shades
Harmonies
Contrast
| #a4e331 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.54:1 | fail | fail | fail | |
Aaon black | 13.61:1 | 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 #a4e331 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 #a4e331
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 #a4e331 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/a4e331-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