Color
#a3f00a
#a3f00argb(163, 240, 10)hsl(80, 92%, 49%)oklch(0.871 0.231 129.3)Colors that go with #a3f00a
Violet, Charcoal and Deep Sky Blue 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 #a3f00a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #a3f00a: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Deep Sky Blue #00bfff
triadicshippedDeep Sky Blue completes a triad with #a3f00a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Blue #0000ff
shippedBlue is paired with #a3f00a in two real palettes: Robinhood's brand system and MongoDB's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #a3f00a in two real palettes: Electric Lime and Streetwear, as the accent — a combination designers have actually shipped, not a computed rotation.
Lilac #c8a2c8
split-complementLilac is a split-complement of #a3f00a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Light Coral #f08080
triadicLight Coral completes a triad with #a3f00a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Emerald Green #50c878
analogousEmerald Green is #a3f00a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Real palettes that use #a3f00a
Tints & shades
Harmonies
Contrast
| #a3f00a as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.4:1 | fail | fail | fail | |
Aaon black | 15.03:1 | 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 #a3f00a as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Point 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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #a3f00a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/a3f00a-b1bea2-4e64df-232d1f-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