Error Warning Triangle black outline icon
Triangle containing an exclamation mark with the word ERROR written along the base
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About the Error Warning Triangle black outline icon
An equilateral triangle frames a tall exclamation mark with a separate round dot, and the word ERROR is set in capitals along the base inside the shape. The pairing states a blocked action or a fault the user must read before continuing. Drop it into form validation messages, crash and 404 screens, dashboard alert banners, device firmware warnings and QA bug reports.
Sharp corners and a wide base give it weight, while the labeled word makes it unmistakable next to a generic caution sign. It works alongside info, success check, block and question mark icons in the same set. Use the plain triangle version under 24 px, since the lettering closes up.
This is the black outline version of the error warning triangle icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
