Neon Blue
A saturated cyan-blue glow for dark interfaces.
box-shadow
Preview Surface
Copy-ready CSS
Pure CSS
box-shadow: 0px 0px 8px 0px rgba(250, 204, 21, 0.84), 0px 0px 24px 2px rgba(249, 115, 22, 0.62);Tailwind v4
shadow-[0px_0px_8px_0px_rgb(250_204_21_/_0.84),_0px_0px_24px_2px_rgb(249_115_22_/_0.62)]Harsh Glow is a glow box-shadow preset built for luminous emphasis. It uses 2 shadow layers to create a sharp effect that is easy to copy into product cards, dashboards, marketing blocks, and small interface surfaces. A tighter glow with a vivid edge. The shadow is intentionally described as plain CSS, so you can paste it into any framework or convert it into a Tailwind arbitrary value without changing the visual result. The effect stays on the outside edge, so it reads as lift rather than a pressed or recessed treatment. Use it when you want a repeatable starting point, then open it in the generator to adjust offset, blur, spread, color, opacity, or stacked layers for your own layout.
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Related
These presets share tags with Harsh Glow and make good nearby alternatives.
A saturated cyan-blue glow for dark interfaces.
A hot pink glow for expressive highlights.
An electric green glow for terminal-inspired UI.
A quiet colored halo for callouts and badges.
A violet aura with enough spread for feature cards.