Color
#a9c841
#a9c841rgb(169, 200, 65)hsl(74, 55%, 52%)oklch(0.784 0.162 121.4)Colors that go with #a9c841
Charcoal, Cornflower Blue 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.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #a9c841: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Cornflower Blue #6495ed
split-complementshippedCornflower Blue is a split-complement of #a9c841: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Deep Sky Blue #00bfff
triadicshippedDeep Sky Blue completes a triad with #a9c841 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #a9c841 in 5 real palettes, including Forest Floor and Undergrowth, as the supporting colour.
Dark Orange #ff8c00
shippedDark Orange shows up next to #a9c841 in 4 real palettes, including Citrus Grove and Learning App, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #a9c841: 4 real palettes, including Wikipedia's brand system and Open House, as the supporting colour.
Hunter Green #355e3b
shippedHunter Green is paired with #a9c841 in 5 real palettes, including Fireside and Neon's brand system, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #a9c841 in 5 real palettes, including Disney's brand system and Brilliant's brand system, as the lead colour.
Real palettes that use #a9c841
Tints & shades
Harmonies
Contrast
| #a9c841 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.9:1 | fail | fail | fail | |
Aaon black | 11.03:1 | 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 #a9c841 as the background.
Brands using this color
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 #a9c841 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/a9c841-b4bea2-4e72df-242d1f-f1efe9?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