Color
#a3f381
#a3f381rgb(163, 243, 129)hsl(102, 83%, 73%)oklch(0.887 0.167 137)Colors that go with #a3f381
Plum, Charcoal and Crimson 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.
Plum #dda0dd
complementaryshippedPlum sits directly opposite #a3f381 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 #a3f381: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Crimson #dc143c
shippedCrimson is paired with #a3f381 in 5 real palettes, including Wise's brand system and Lay's's brand system, as the accent.
Gold #ffd700
shippedGold shows up next to #a3f381 in 5 real palettes, including Prime Video's brand system and Lay's's brand system, as the lead colour.
Red #ff0000
shippedRed is paired with #a3f381 in 4 real palettes, including Wise's brand system and Gatorade's brand system, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #a3f381 in 7 real palettes, including Macaron and Astro's brand system, as the text colour against it.
Blue #0000ff
shipped3 real palettes, including Robinhood's brand system and MongoDB's brand system put Blue beside #a3f381, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #a3f381: 3 real palettes, including Prime Video's brand system and Remix's brand system, as the supporting colour.
Real palettes that use #a3f381
Tints & shades
Harmonies
Contrast
| #a3f381 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.34:1 | fail | fail | fail | |
Aaon black | 15.69:1 | 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 #a3f381 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#a3f381 reads as vivid, light, clean. The font library is tagged with the same vocabulary:
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 #a3f381 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/a3f381-a7bea2-6e4edf-1f2d21-eff1e9?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