Radiant Hulk
#10f144
Radiant, warm chartreuse green for hero highlights
About Radiant Hulk
Radiant Hulk looks like a high-energy safety light that's been pulled closer to lime, but kept controlled. It's lighter than Furious Frog without losing that crisp punch, and it avoids Becquerel's muted, slightly tired middle. Compared to Out of Left Field, it's not that softened mint feel, it's a more electric, saturated green with a stronger, almost "action" temperature.
I use it for dashboards and finance apps where you need a clear "do it now" state, especially in ops tooling, manufacturing supervision, and logistics control panels. It also works well in ad-tech performance overlays and streaming UI thumbnails when the green must read instantly over busy imagery. This is the one you reach for when your go states are starting to look like decoration instead of direction.
Quirk: because it's so bright, it can feel loud on very pale surfaces. Pair it with deep greens or near-black neutrals so the signal lands clean and doesn't float.
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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