Color
#a3de63
#a3de63rgb(163, 222, 99)hsl(89, 65%, 63%)oklch(0.835 0.166 130.6)Colors that go with #a3de63
Charcoal, Deep Sky Blue and Plum 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.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #a3de63: 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 #a3de63 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Plum #dda0dd
complementaryshippedPlum sits directly opposite #a3de63 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped4 real palettes, including MongoDB's brand system and Minecraft's brand system put Blue beside #a3de63, as the accent.
Crimson #dc143c
shippedCrimson is paired with #a3de63 in 5 real palettes, including Wise's brand system and Diner, as the accent.
Gold #ffd700
shippedGold shows up next to #a3de63 in 4 real palettes, including Prime Video's brand system and Star Wars's brand system, as the lead colour.
Mustard Yellow #ffdb58
shipped4 real palettes, including Citrus Grove and Meadow put Mustard Yellow beside #a3de63, as the accent.
Red #ff0000
shippedRed is paired with #a3de63 in 5 real palettes, including Wise's brand system and Gatorade's brand system, as the lead colour.
Real palettes that use #a3de63
Tints & shades
Harmonies
Contrast
| #a3de63 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.59:1 | fail | fail | fail | |
Aaon black | 13.19:1 | 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 #a3de63 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 #a3de63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/a3de63-adbea2-4e4edf-212d1f-f1f1e9?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