🛠️ Tool
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Free
Beginner
Why we picked it Instead of guessing hex codes, you pick text, background, primary, and accent colors and see them applied to a realistic website instantly. It has a built-in contrast checker so you avoid unreadable combinations. This makes the single-accent-color rule from our answer concrete and testable in minutes.
Realtime Colors
From realtimecolors.com by Juxtopposed Free web tool
- Preview a palette on a real layout before committing to it
- Built-in contrast checks keep text readable and accessible
- Two neutrals plus one accent is usually all you need
