Design Tools
Design system generators and visual design utilities.
Color Palette Generator
Type Scale Generator
Spacing Scale Generator
Responsive Breakpoints
Aspect Ratio Calculator
Color Shade Generator
Font Pairing Suggestions
Contrast Checker
Design Tokens Generator
Social Media Size Guide
Golden Ratio Calculator
Calculate golden ratio proportions for layouts, typography, and spacing
App Icon Size Guide
Complete icon size requirements for iOS, Android, Web, Windows, and macOS
Shadow System Generator
Generate elevation shadow systems in Material, Tailwind, or custom style
Multi-Stop Gradient Generator
CSS Pattern Generator
Learn Design Tools
Key concepts and practical guides to level up your workflow.
📖 Glossary
Designing products usable by people with disabilities, following WCAG guidelines for perceivable and operable interfaces.
A visual cue suggesting how an element should be used (e.g. a raised button affords …
Three or more colors adjacent on the color wheel, producing harmonious and visually cohesive palettes.
A horizontal grid aligned to text baselines that maintains consistent vertical rhythm across a page.
A condition affecting ~8% of men where certain color differences are difficult or impossible to …
The perceived warmth (reds, yellows) or coolness (blues, greens) of a color, influencing mood and …
A circular diagram organizing colors by hue to visualize relationships like complementary and analogous colors.
Two colors positioned directly opposite each other on the color wheel, creating high contrast when …
📘 Guides
Understanding color theory helps you create visually harmonious designs that communicate effectively. This guide covers color models, harmony rules, accessibility requirements, and practical palette-building techniques.
QR codes bridge physical and digital experiences, but poorly generated codes fail to scan. This guide covers sizing, error correction, design customization, and testing best …
A detailed comparison of JPEG and PNG image formats covering compression methods, quality characteristics, transparency, and ideal use cases. Learn when to choose each format …
Online tools must be usable by everyone, including people with visual, motor, and cognitive disabilities. Learn the key accessibility patterns for interactive web applications.
Explore All Peasy Tools
15 specialized sites — one easy-peasy family.