CTA
A CTA is where design meets conversion. The color, size, contrast, copy, and placement all determine whether users click or scroll past. The most effective CTAs use high-contrast accent colors that stand out from the surrounding palette, direct action-oriented copy, and enough whitespace to be visually distinct. Color psychology plays a direct role here: red CTAs create urgency, green CTAs suggest safety, and blue CTAs signal trust.
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Color Psychology
The study of how colors influence human perception, emotion, and behavior. In design, it is the practice of choosing colors based on the response they trigger, not just how they look.
Visual Hierarchy
The arrangement of design elements so the eye processes them in a deliberate order, controlled by size, contrast, color, spacing, and position.
Contrast Ratio
The measured difference in luminance between two colors, used to ensure text and interactive elements are readable for all users.