Color
#81fa1e
#81fa1ergb(129, 250, 30)hsl(93, 96%, 55%)oklch(0.879 0.254 135.9)Colors that go with #81fa1e
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
complementaryViolet sits directly opposite #81fa1e 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 #81fa1e: 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 #81fa1e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Hot Pink #ff69b4
split-complementHot Pink is a split-complement of #81fa1e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shippedBlue is paired with #81fa1e 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.
Lilac #c8a2c8
split-complementLilac is a split-complement of #81fa1e: 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 #81fa1e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Blue Violet #8a2be2
shippedBlue Violet is paired with #81fa1e in Neobank, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #81fa1e
Tints & shades
Harmonies
Contrast
| #81fa1e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.34:1 | fail | fail | fail | |
Aaon black | 15.63:1 | 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 #81fa1e 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 #81fa1e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/81fa1e-abbea2-584edf-202d1f-f0f1e9?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