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What's the difference between RGB and RGBA? While RGB defines colors using Red, Green, and Blue values, RGBA adds an Alpha channel for transparency control. This allows you to create semi-transparent colors that blend with backgrounds. Can I use RGBA colors anywhere? RGBA colors are widely supported in modern web browsers and design tools. They're commonly used in CSS, design software, and digital art applications where transparency is needed. Why does the tool show a checkered background? The checkered background helps visualize transparency levels in your colors. You can toggle it on/off to see how your color appears against different backgrounds. (责任编辑：) |