Interface Essential

Technology

Artificial Intelligence

Computers Devices Electronics

Programing Apps Websites

Internet Networks Servers

Business Products

Work Office Companies

Money Payments Finance

Shopping Ecommerce

Shipping Delivery

Typeface

Content

Design

Images Photography

Music Audio

Video Movies TV

Files Folders

Users

Avatars

Emails

Cannabis

Phones Mobile Devices

Messages Chat Smileys

Social Medias Rewards Rating

Travel

Hotels Spas

Wayfinding

Food Drinks

Furnitures Decoration

Lamps Lights Fire

Clothes Footwear Accessories

Tools Constructions

Ecology

Nature Farming

Pets Animals

Weather

Health Beauty

School Learning

Science

Culture Religion

Romance

Family Babies Kids

Holidays

Sports

Outdoors Recreation

Entertainment Events Hobbies

Video Games

Crime War Protection

Transportation

Maps Navigation

Building Construction

Landmarks

Real Estate

Arrows Diagrams

Logos

Streamline 3.0

Ultimate

Core

Flex

Sharp

Plump

Micro

Freehand

Streamline Material

Nova

Cyber

Streamline Vault

Pixel

Google Material

Tabler

Remix

Feather

Iconoir

Carbon

Solar

Lucide

Brand Logos

Bootstrap

Atlas

Unicons

Ionic Icons

Phosphor

MingCute

Font Awesome

Majesticons

Mynaui

Radix

Heroicons

Flagpack

Celsius

Temperature Celsius

Celsius Fill

<p>Designed by 8 expert designers. Light style features 1px stroke with intricate details, airy design, and generous spacing. Perfect for UI and illustrative elements.</p>

Ultimate Light

**Summary**: 1px hairline stroke, rounded caps and joins, monochrome — the most refined and delicate Ultimate sub-style. Airy open spacing produces a premium, editorial quality that heavier strokes cannot replicate. The tone signals precision without austerity: refined restraint that communicates quality through what is absent rather than what is present. Best for premium SaaS with generous spacing, editorial content-heavy interfaces, and marketing components where elegance is the brand signal; requires careful contrast management and should use Regular or Bold on dark backgrounds below 16px.

**Last updated**: 2026-04-23

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## Fit & Recommendation

### Primary use cases

- Editorial and content-heavy interfaces where icons are supporting actors
- Premium SaaS with a refined, minimal aesthetic
- Sidebar navigation in products with generous spacing
- Illustration-adjacent contexts where icons act as lightweight visual accents
- Marketing components that need elegance without weight

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## Brand & Cultural Identity

### What it communicates

> "We are precise but not austere."

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## Visual & Technical Specs

### Visual properties

| Property | Value |
|----------|-------|
| Stroke weight | 1px (hairline) |
| Fill | None |
| Corner treatment | Rounded caps + rounded joins |
| Color | Monochrome |

### Emotional Scores

Ultimate Light is one of the warmer sub-styles in the catalog — airy open spacing and the absence of heavy geometry reads softly with no cold tension. It is one of the softer sub-styles in the catalog — 1px hairline stroke is among the softest visual weights possible at 24px. It is somewhat friendly — rounded caps lean toward friendly while intricate detail pulls slightly toward refinement. It is near neutral on playfulness leaning slightly warm — detailed without being heavy; not playful, not declarative. On its human↔mechanical character, it is one of the more human-feeling sub-styles in the catalog — rounded joins throughout with no mechanical sharp angles observed.

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## Pairing & Compatibility

### Typography pairing

- **Primary**: Plus Jakarta Sans (Light / Regular weight) — rounded humanist, matches the airiness
- **Display**: DM Serif Display — creates elegant editorial contrast with the thin icons
- **Body**: Inter (300–400) — neutral support without competing
- **Avoid**: IBM Plex Mono, heavy grotesque display faces — weight mismatch creates visual incoherence


<p>The world's largest icon family with encyclopedic coverage. Designed over twelve years, Ultimate offers every concept from common to rare icons. It's a neutral style and fits most use cases.&nbsp;</p>

The encyclopedia of icons

Temperatures

Temperature Celsius icon - Ultimate Light Set

Download Temperature Celsius SVG vector or transparent PNG icon in Line, Light, Stroke style(s) for Sketch and Figma. It belongs to Ultimate Light vectors SVG collection.