Color
#a9d378
#a9d378rgb(169, 211, 120)hsl(88, 51%, 65%)oklch(0.816 0.127 129.1)Colors that go with #a9d378
Charcoal, Lilac 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.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #a9d378: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Lilac #c8a2c8
complementaryshippedLilac sits directly opposite #a9d378 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Crimson #dc143c
shippedCrimson is paired with #a9d378 in 6 real palettes, including Wise's brand system and Diner, as the accent.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #a9d378 in 4 real palettes, including 7-Eleven's brand system and Forest Floor, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #a9d378: 4 real palettes, including Prime Video's brand system and Remix's brand system, as the supporting colour.
Hunter Green #355e3b
shippedHunter Green is paired with #a9d378 in 6 real palettes, including Canopy and Neon's brand system, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #a9d378 in 5 real palettes, including Docker's brand system and Disney's brand system, as the supporting colour.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #a9d378: 4 real palettes, including Scale AI's brand system and Polaroid, as the supporting colour.
Real palettes that use #a9d378
Tints & shades
Harmonies
Contrast
| #a9d378 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.71:1 | fail | fail | fail | |
Aaon black | 12.28:1 | 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 #a9d378 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 #a9d378 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/a9d378-aebea2-4e51df-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