Background Colors

<div class="space-y-6"><div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4"><div class="border border-semantic-border rounded-lg overflow-hidden"><div class="w-full h-20" style="background-color:#F9FAF9"></div><div class="p-4"><h4 class="typography-body1-bold mb-1">Background Primary</h4><p class="typography-caption1 text-semantic-text-secondary mb-2">기본 배경색</p><div class="space-y-1"><div class="typography-caption2 font-mono text-semantic-text-secondary">#F9FAF9</div><div class="typography-caption2 font-mono text-semantic-text-secondary">bg-semantic-bg-primary</div></div></div></div><div class="border border-semantic-border rounded-lg overflow-hidden"><div class="w-full h-20" style="background-color:#f1f3f1"></div><div class="p-4"><h4 class="typography-body1-bold mb-1">Background Secondary</h4><p class="typography-caption1 text-semantic-text-secondary mb-2">보조 배경색</p><div class="space-y-1"><div class="typography-caption2 font-mono text-semantic-text-secondary">#f1f3f1</div><div class="typography-caption2 font-mono text-semantic-text-secondary">bg-semantic-bg-secondary</div></div></div></div><div class="border border-semantic-border rounded-lg overflow-hidden"><div class="w-full h-20" style="background-color:#d4d7d4"></div><div class="p-4"><h4 class="typography-body1-bold mb-1">Border</h4><p class="typography-caption1 text-semantic-text-secondary mb-2">테두리 컬러</p><div class="space-y-1"><div class="typography-caption2 font-mono text-semantic-text-secondary">#d4d7d4</div><div class="typography-caption2 font-mono text-semantic-text-secondary">border-semantic-border</div></div></div></div></div><div class="mt-8"><h3 class="typography-headline3-bold mb-4">Color Strip</h3><div class="flex h-16 rounded-lg overflow-hidden border border-semantic-border"><div class="flex-1 relative group cursor-pointer" style="background-color:#F9FAF9" title="Background Primary - #F9FAF9"><div class="absolute inset-0 bg-opacity-0 group-hover:bg-opacity-10 transition-all flex items-center justify-center"><span class="typography-caption2 text-white opacity-0 group-hover:opacity-100 transition-opacity font-semibold drop-shadow">Primary</span></div></div><div class="flex-1 relative group cursor-pointer" style="background-color:#f1f3f1" title="Background Secondary - #f1f3f1"><div class="absolute inset-0 bg-opacity-0 group-hover:bg-opacity-10 transition-all flex items-center justify-center"><span class="typography-caption2 text-white opacity-0 group-hover:opacity-100 transition-opacity font-semibold drop-shadow">Secondary</span></div></div><div class="flex-1 relative group cursor-pointer" style="background-color:#d4d7d4" title="Border - #d4d7d4"><div class="absolute inset-0 bg-opacity-0 group-hover:bg-opacity-10 transition-all flex items-center justify-center"><span class="typography-caption2 text-white opacity-0 group-hover:opacity-100 transition-opacity font-semibold drop-shadow">Border</span></div></div></div></div></div>