Red Alert
#ff0f0f
Deeper, hotter scarlet red for top-level alarms
About Red Alert
Red Alert reads like fresh spray paint that got a little too hot in the sun. It's not the roomy warmth of Little Ladybug, and it doesn't feel as sharp or contained as Danger. Compared to Spicy, this one pushes harder toward true red territory, so the energy comes off more urgent and less "heat-marker" compact.
This is the one you reach for when you need a hard stop signal that still fits an Orange family palette. I use it on incident management dashboards for pipeline outages, on manufacturing escalation steps where a defect moves from "review" to "act now," and in live broadcast graphics for breaking-status lower thirds. It's especially good on dense tables where you want the alert to punch through without turning everything into a siren.
Pair it with near-black, charcoal, or cool grays. If you soften the background too much with warm creams, it can lose its red-forward bite and start blending into generic warning orange.
Code snippets
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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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