Danger
#ff0e0e
Paler scarlet orange-red for primary danger alerts
About Danger
I keep using Danger in warning mockups and it always reads like a hot flare that stayed intentionally contained. Compared to Furious Red, it doesn't drift as far toward true red, and it feels less "alarm-mode" sharp. Versus Carolina Reaper, it's not as electrically bright and slicey, so it lands more as immediate risk than urgent status. It also avoids Candy Apple Red's colder, thinner precision, staying warmer and denser.
For UI, this is the one you reach for when you need "stop and act" without turning the whole screen into a siren. I see it work well for safety systems dashboards, manufacturing quality alerts, and operations panels where downtime and defects need to pop from dense tables. It's also a solid choice for media overlays during live coverage when you want attention that feels decisive, not frantic.
Pair it with near-black, charcoal, or deep slate so the orange heat stays controlled; warm creams can mute it into something closer to a generic warning shade.
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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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