---
title: "Head Idea Icon | Free Download PNG & SVG | Ultimate Duotone"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/head-idea--15876
canonical_url: "https://www.streamlinehq.com/icons/download/head-idea--15876"
summary: "Clean duotone icon of a glowing light bulb above an open book. Used for ideas, learning, and education."
---

# Head Idea icon

The Head Idea icon shows a glowing light bulb above an open book. Drawn in the duotone style on a 24px grid with a 1px stroke so its layered color fills and fine outlines stay clear at small sizes. Use it for ideas, learning, education, study tools, and knowledge-based content. It belongs to Ultimate Duotone set in the Ultimate family.

## Preview

![Clean duotone icon of a glowing light bulb above an open book. Used for ideas, learning, and education.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/streamline-duotone/work-office-companies/ideas-creativity/head-idea-0prgv6nvk3rcojxsrdx578.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Head Idea
- **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**: Work office companies › Ideas Creativity
- **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**: head, idea, lightbulb, creativity, brainstorm, thinking, inspiration, insight, innovation, bright, concept, light, incandescent, bulb, person, business, man

## Download

- [Download Head Idea on Streamline](https://www.streamlinehq.com/icons/download/head-idea--15876)

## Also available in other styles

- [Head Idea — Ultimate Colors](/icons/download/head-idea--19703.md) (Pro)
- [Head Idea — Ultimate Bold](/icons/download/head-idea--7643.md) (Pro)
- [Head Idea — Ultimate Regular](/icons/download/head-idea--9105.md) (Pro)
- [Head Idea — Ultimate Light](/icons/download/head-idea--8374.md) (Pro)

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