Light Bulb black outline icon
Light bulb glowing with five rays around the glass and a ridged screw base
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About the Light Bulb black outline icon
A rounded incandescent bulb sits above a stepped screw base of three stacked bands, with five short rays fanning around the glass and a curved highlight arc drawn inside the dome. The radiating lines make it read as lit rather than switched off, so it works well for idea prompts, tip and hint callouts, brainstorming and innovation sections, energy or utility dashboards and onboarding tutorial screens.
Rays are evenly spaced from the upper left through the top to the upper right, and the base is noticeably narrower than the glass, giving a stable pear silhouette. It pairs with brain, rocket and target icons in creativity sets. If you animate a hint, fade only the rays and leave the bulb body static for a clean flicker effect.
This is the black outline version of the light bulb icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
Download it free as a scalable SVG vector or transparent-background PNG in seven sizes (16 to 512px), copy the SVG code straight into your project, or open it in the free online editor to change colors, apply gold, silver, neon and gradient styles, animate it, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
