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<p><img src="mosaics_files/figure-html/c_palettes-1.png" width="576"></p>
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<div id="grayscale" class="section level4">
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<a href="#grayscale" class="anchor"></a>Grayscale</h4>
<p>For grayscale or black and white mosaics, use <code>color_palette = 'bw'</code>. This creates the mosaic by measuring the brightness of each pixel in the image and mapping it one of the four shades of gray. Use the contrast input to adjust the relative brightness of the pixels.</p>
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