---
title: "Radioactive Circle Icon | Free Download PNG & SVG | Ultimate Duotone"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/radioactive-circle--15759
canonical_url: "https://www.streamlinehq.com/icons/download/radioactive-circle--15759"
summary: "Clean duotone icon of a radioactive trefoil inside a circle. Used for radiation warnings, nuclear safety, and hazard signage."
---

# Radioactive Circle icon

The Radioactive Circle icon shows a radioactive trefoil with a central dot enclosed by a circular border. Drawn in the duotone style on a 24px grid with a 1px stroke, its two-tone fills and fine outlines stay clear at small sizes. Use it for radiation warnings, nuclear safety interfaces, hazardous-material labels, and emergency signage. It belongs to Ultimate Duotone set in the Ultimate family.

## Preview

![Clean duotone icon of a radioactive trefoil inside a circle. Used for radiation warnings, nuclear safety, and hazard signage.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/streamline-duotone/interface-essential/alerts/radioactive-circle-180zv30w76zf3oo0rk9ckc.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Radioactive Circle
- **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**: radioactive, radiation, warning, danger, hazard, toxic, sign, caution, alert, nuclear, nuke, symbol, safety, ecology, eco

## Download

- [Download Radioactive Circle on Streamline](https://www.streamlinehq.com/icons/download/radioactive-circle--15759)

## Also available in other styles

- [Radioactive Circle — Ultimate Colors](/icons/download/radioactive-circle--19597.md) (Pro)
- [Radioactive Circle — Ultimate Regular](/icons/download/radioactive-circle--8998.md) (Pro)
- [Radioactive Circle — Ultimate Bold](/icons/download/radioactive-circle--7536.md) (Pro)
- [Radioactive Circle — Ultimate Light](/icons/download/radioactive-circle--8267.md) (Pro)

---

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