Article

Contrast in UI: Designing with Clarity, Not Chaos

By Scott Agnoli

Let’s be honest—if users have to squint to read your interface, they won’t stick around. Contrast isn’t just about aesthetics; it’s about accessibility, readability, and helping users make sense of your design in milliseconds. You are designing information so others can read and benefit from it in some way, be clear with contrast.

Practical Tip:

Use contrast to establish visual hierarchy (one of the most important principles) and improve usability:

  • Text vs. background: Ensure at least a 4.5:1 contrast ratio for body text (use tools like WebAIM’s Contrast Checker).
  • Buttons and calls to action: High contrast draws attention—low contrast blends into the background (aka: gets ignored).
  • Use color, weight, and scale to separate primary content from secondary or supportive elements.

In Figma, try the Able or Stark plugin to check color contrast as you design. In Adobe XD, use the accessibility panel to ensure your UI meets WCAG guidelines.

And remember: contrast isn’t just light vs. dark. It’s about shape, spacing, and even motion.

A Historical Perspective:

Contrast as a visual tool was championed by László Moholy-Nagy, a Bauhaus master who pushed boundaries in photography and typography. His experimental layouts used sharp visual contrasts to guide attention and evoke emotion—proving that design is equal parts science and drama (Droste, Magdalena. Bauhaus, 1919–1933. Taschen, 2006).

Why It Matters Today:

Strong contrast isn’t just good design—it’s inclusive design. It ensures your work communicates clearly across devices, ages, and abilities. So the next time you’re unsure if that pale gray-on-white is cutting it—boost the contrast and let your content shine.

Originally published: April 27, 2025