Poisonous Pesto
#cae80a
Sour yellow-green highlight for alert micro-UI
About Poisonous Pesto
Poisonous Pesto is a chartreuse-leaning green that reads "charged," not leafy. Compared to Lime Fizz and Pick Your Poison, it's a notch deeper and more settled, so it feels less like a marker swipe and more like ink that's been mixed and let dry. Compared with Lush Green, it cools slightly and shifts toward a more sour, suspicious undertone, so it doesn't come off as clean success-yellow.
I use it when I need a bold status green that still doesn't feel cheerful. It's great for dashboards and finance apps where you want hierarchy fast, but you also want "attention" rather than "payment cleared." Think shipment exceptions, risk flags on fleet routing, processing states in healthcare ops, and "action required" chips in operations portals. In dense tables, it holds its own against off-whites without borrowing the same brightness sharpness you'd get from the greener neighbors.
Pair it with cool grays or deep charcoals; on warm beige it can start to look a little hazardous. If you want it to feel cleaner, give it tighter contrast edges so it doesn't blur into nearby fresh greens.
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Contrast checker
WCAG 2.1 contrast ratios. AA requires 4.5:1 for normal text, 3:1 for large. AAA requires 7:1 / 4.5:1.
On White #ffffff
On Gray 100 #f5f5f5
On Gray 900 #18181b
On Black #000000
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