---
title: "Alert Triangle Icon | Free Download PNG & SVG | Ultimate Duotone"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/alert-triangle--15759
canonical_url: "https://www.streamlinehq.com/icons/download/alert-triangle--15759"
summary: "Sharp duotone icon of a warning triangle with an exclamation mark. Used for alerts, errors, and caution messages."
---

# Alert Triangle icon

The Alert Triangle icon shows a large outlined triangle with a light-blue inner fill and centered exclamation mark. Drawn in the duotone style on a 24px grid with a 1px stroke so it stays crisp and visually layered. Use it for warnings, validation errors, safety notices, system alerts, and caution states. It belongs to Ultimate Duotone set in the Ultimate family.

## Preview

![Sharp duotone icon of a warning triangle with an exclamation mark. Used for alerts, errors, and caution messages.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/streamline-duotone/interface-essential/alerts/alert-triangle-ifga426n1mevsy53ij0cse.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Alert Triangle
- **Type**: Icon
- **Set**: [Ultimate Duotone](/icons/streamline-duotone.md) — Ultimate is the world’s largest icon family, designed by 8 expert designers. The Duotone style enhances visual depth by combining colored lines and filled shapes, perfect for matching brand or project colors. Key advantages: 1—Customizable colors. Apply up to four different colors to icon elements. 2— Adjustable stroke thickness. Create looks ranging from thin to bold for varied aesthetics.
- **Family**: [Ultimate](/icons/ultimate-sets.md) — The encyclopedia of icons
- **Style**: Duo, Stroke, Filled
- **Category**: Interface Essential › Alerts
- **Default size**: 24px
- **Stroke width**: 1px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: alert, warning, exclamation, caution, danger, hazard, attention, critical, error, notice, notification, problem, triangle, sign, road, street, direction

## Download

- [Download Alert Triangle on Streamline](https://www.streamlinehq.com/icons/download/alert-triangle--15759)

## Also available in other styles

- [Alert Triangle — Ultimate Colors](/icons/download/alert-triangle--19597.md) (Pro)
- [Alert Triangle — Ultimate Regular](/icons/download/alert-triangle--8998.md) (Pro)
- [Alert Triangle — Ultimate Bold](/icons/download/alert-triangle--7536.md) (Pro)
- [Alert Triangle — Ultimate Light](/icons/download/alert-triangle--8267.md) (Pro)

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