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

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

Covid-19

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

Cannabis

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

Thermometer

<p>Icon encyclopedia with every concept. Regular style prioritizes simplicity, adapts to light/dark backgrounds.&nbsp;</p>

Ultimate Regular

**Summary**: 1.5px stroke, rounded caps and joins, monochrome — the true neutral and safest general-purpose sub-style in the Ultimate family. Scores cluster near the genuine visual midpoint of the entire Ultimate range: neither heavy nor hairline, neither cold nor warm, neither playful nor clinical. The tone signals professional stability: icons that serve the interface without imposing personality, aging well across design trends. The default recommendation for primary navigation and controls in any SaaS or product context when no other sub-style has a clear advantage.

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

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## Fit & Recommendation

### Primary use cases

- Primary UI navigation and controls across any SaaS product
- Dashboard icon sets where icons must scan at speed
- Product interfaces requiring versatility across light and dark
- The safest general-purpose choice across any product category
- Component libraries requiring one icon style that works at 16–32px

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## Brand & Cultural Identity

### What it communicates

> "We are professional and reliable."

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## Visual & Technical Specs

### Visual properties

| Property | Value |
|----------|-------|
| Stroke weight | 1.5px |
| Fill | None |
| Corner treatment | Rounded caps + rounded joins |
| Color | Monochrome |

### Emotional Scores

Ultimate Regular is somewhat warm — neutral weight with rounded geometry reads as balanced, neither cold nor warm, landing just on the warm side of the midpoint. It is near neutral on softness — 1.5px is the visual midpoint, the most neutral weight in the family. It is somewhat friendly — rounded corners tip slightly friendly while consistent stroke gives a professional read. It is somewhat friendly on playfulness — balanced and appropriate for serious work without feeling clinical. On its human↔mechanical character, it is somewhat warm — rounded stroke ends give a subtle human quality while the consistent grid reads as considered.

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## Pairing & Compatibility

### Typography pairing

- **Primary**: Inter — the universal pairing; shared humanist DNA, matching weight range
- **Alternative**: Outfit, DM Sans — modern humanist sans with compatible rounded forms
- **Body**: Same family at a lighter weight
- **Avoid**: Sharp geometric sans at heavy weight (e.g. Neue Haas Bold) — personality conflict with the rounded icon geometry


<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

Temperature Thermometer Down

Temperatures

Temperature Thermometer Down icon - Ultimate Regular Set

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