Neobank
Open in tool →Purple-and-lime is the challenger-bank uniform — high energy, and clearly not a legacy bank.
Color
#a3df34
#a3df34
hex
#a3df34rgb
rgb(163, 223, 52)hsl
hsl(81, 73%, 54%)oklch
oklch(0.833 0.2 127.7)Closest name: Conifer (#b1dd52)Relative luminance 0.6081
Colors that go with #a3df34
Violet, Deep Sky Blue and Gold 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 #a3df34 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 #a3df34 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Gold #ffd700
shippedGold shows up next to #a3df34 in 4 real palettes, including Prime Video's brand system and Ikea's brand system, as the lead colour.
Red #ff0000
shippedRed is paired with #a3df34 in 4 real palettes, including Wise's brand system and Gatorade's brand system, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #a3df34 in 6 real palettes, including Citrus Grove and Acer's brand system, as the text colour against it.
Blue #0000ff
shipped3 real palettes, including MongoDB's brand system and Robinhood's brand system put Blue beside #a3df34, as the accent.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #a3df34: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Mustard Yellow #ffdb58
shipped3 real palettes, including Citrus Grove and Meadow put Mustard Yellow beside #a3df34, as the accent.
Real palettes that use #a3df34
Tints & shades
Harmonies
Contrast
| #a3df34 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.6:1 | fail | fail | fail | |
Aaon black | 13.16:1 | 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 #a3df34 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 #a3df34
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 #a3df34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/a3df34-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