Warning Sign Icon - High-Contrast Hazard Alert Symbol #1396139 (License: Personal Use)

This glossy, vector-style warning icon features a bright red equilateral triangle with a thick black border and a centered white exclamation mark. The gradient shading and subtle highlights give it a 3D appearance, enhancing visibility and impact. It’s designed for immediate recognition across safety signage, software alerts, and web notifications.

Commonly used in UI/UX design for error messages, system alerts, and safety instructions; also appears in technical documentation, emergency signage, and regulatory compliance materials to convey urgency or risk.