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<html><body><h1>Shades of gray</h1><p>By using equal values for red, green, and blue, you will get different shades of gray:</p><h2 style="background-color:rgb(60, 60, 60);">rgb(60, 60, 60)</h2><h2 style="background-color:rgb(90, 90, 90);">rgb(90, 90, 90)</h2><h2 style="background-color:rgb(120, 120, 120);">rgb(120, 120, 120)</h2><h2 style="background-color:rgb(180, 180, 180);">rgb(180, 180, 180)</h2><h2 style="background-color:rgb(210, 210, 210);">rgb(210, 210, 210)</h2><h2 style="background-color:rgb(240, 240, 240);">rgb(240, 240, 240)</h2></body></html>