Landing pages are the purest test of color strategy. Unlike a full website with multiple goals and navigation paths, a landing page has exactly one objective: get the user to click the CTA. Every color choice either supports that objective or distracts from it.
The Three-Color Rule
The most effective landing pages use at most three colors prominently: a neutral background (light base), a brand/trust color (primary, used sparingly for headings and trust signals), and a CTA color (the most visually prominent color on the page). Everything else is neutral.
CTA Isolation
Your CTA button should be the only element on the page using its specific color. If the CTA is orange, nothing else on the page should be orange. This is the isolation effect at work: uniqueness creates visual priority. The CTA literally has no competition for attention.
Background Strategy
White or near-white backgrounds work for most landing pages because they create maximum contrast for both text and CTAs. Dark hero sections can work for premium products but require careful contrast management for all text within them.
Trust Signal Colors
Testimonials, security badges, and guarantee sections benefit from subtle background tints that differentiate them from the main content without pulling focus. A light gray or very light tint of your primary color signals "this section is different" without screaming for attention.
Testing Color Variations
Landing pages are among the easiest contexts for A/B testing color. Change only the CTA color between variants and measure click-through rates. The data consistently shows that contrast against the surrounding colors matters more than any specific color choice.