Question 1

What does the Exclamation Triangle icon mean?

Accepted Answer

The exclamation-triangle icon represents danger warnings and critical alerts with its distinctive exclamation mark within a triangle design. This universal hazard symbol has become the standard indicator for danger warnings, critical errors, hazardous conditions, and high-priority alerts across modern web applications and system interfaces.

Question 2

Where is the Exclamation Triangle icon used?

Accepted Answer

In modern applications like critical error dialogs or destructive action confirmations, you'll see this triangle exclamation indicating danger warnings, critical alerts, and hazardous conditions. It appears in deletion confirmations where destructive action warnings, or in system alerts like those in admin panels where critical warnings require clear danger affordances.

Question 3

What does the Exclamation Triangle icon tell users?

Accepted Answer

From a critical alert perspective, the triangle exclamation design communicates more than simple warnings - it specifically indicates danger conditions, critical severity, and the high-priority nature of alerts. This visual distinction helps users recognize critical warnings versus standard cautionary messages.

Question 4

Can I download the Exclamation Triangle icon as SVG or PNG?

Accepted Answer

Yes. Open Get icon, then Download file: SVG for code or design tools like Figma; PNG, WebP or JPEG at 512px; or an ICO favicon with 16, 32 and 48px inside. Each one uses what you set in Customize.

Question 5

How do I install the Exclamation Triangle icon with the shadcn CLI?

Accepted Answer

Sign in (it's free), then open Get icon, Install with shadcn CLI, and pick your package manager to copy the command. It adds the icon to components/icons/heroicons-exclamation-triangle.tsx.

Question 6

How do I use the Exclamation Triangle icon in Next.js or React?

Accepted Answer

Copy it as React (from Get icon, or the Code section): a typed ExclamationTriangleIcon component you paste into your project, with no package to install. It works in Next.js and any React app.

Question 7

How do I use the Exclamation Triangle icon in Vue, Svelte or Angular?

Accepted Answer

Open Get icon, then Copy as code, and pick Vue, Svelte, Angular, Solid or Preact; the Code section shows each one too. Every version is one self-contained component with the SVG inside.

Question 8

Can my AI agent install it for me?

Accepted Answer

With Pro, the shadcn.io MCP server lets Claude Code, Cursor or any MCP client find the Exclamation Triangle icon, or any of 1,288 HeroIcons icons, and install it from a prompt.

Question 9

Can I use the Exclamation Triangle icon in commercial projects?

Accepted Answer

Yes. MIT allows commercial use; keep the license notice when you ship the icons' source files. The full terms are in the license, linked on this page.

Question 10

Is the Exclamation Triangle icon free?

Accepted Answer

Yes. Copying and downloading it is free, and the shadcn CLI install only needs a free account.

Question 11

How do I change the color of the Exclamation Triangle icon?

Accepted Answer

It's drawn in currentColor, so it takes the text color wherever you use it. To bake a color in, set one in Customize before you copy.

Question 12

How do I change the size of the Exclamation Triangle icon?

Accepted Answer

Set width and height on the component, or a class like size-6. It's drawn on a 24 × 24 grid, so it stays sharp at any size. Customize also sets the size it exports at, its padding and rotation, and its stroke.

Question 13

How do I make the Exclamation Triangle icon accessible?

Accepted Answer

Next to a visible label it's decoration: add aria-hidden="true" so screen readers skip it. Standing alone, as in an icon button, give the button a name instead, like aria-label="Exclamation Triangle", so screen readers say what it does.

Exclamation Triangle