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<title>다양한 색상 표현 단위</title>
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<p style="background-color: aqua">aqua</p>
<p style="background-color: #ffff00">#ffff00</p>
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<p style="background-color: rgba(0, 0, 255, 0.7)">rgba(0, 0, 255, 0.7)</p>
<p style="background-color: rgba(0, 0, 255, 0.3)">rgba(0, 0, 255, 0.3)</p>
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