%20-%20https://sketchapp.com%20--%3e%3ctitle%3e形状%3c/title%3e%3cdesc%3eCreated%20with%20Sketch.%3c/desc%3e%3cg%20id='页面1'%20stroke='none'%20stroke-width='1'%20fill='none'%20fill-rule='evenodd'%3e%3cg%20id='大兔搜索图片页-英文版'%20transform='translate(-244.000000,%20-22.000000)'%20fill='%23767676'%20fill-rule='nonzero'%3e%3cg%20id='大作顶栏-跟屏'%3e%3cg%20id='搜索框'%20transform='translate(220.000000,%2011.000000)'%3e%3cg%20id='搜索按键'%20transform='translate(24.000000,%2011.000000)'%3e%3cpath%20d='M11.4351058,10.0628931%20L10.7124071,10.0628931%20L10.4562607,9.8158948%20C11.352773,8.77301315%2011.89251,7.41909663%2011.89251,5.946255%20C11.89251,2.66209262%209.23041738,0%205.946255,0%20C2.66209262,0%200,2.66209262%200,5.946255%20C0,9.23041738%202.66209262,11.89251%205.946255,11.89251%20C7.41909663,11.89251%208.77301315,11.352773%209.8158948,10.4562607%20L10.0628931,10.7124071%20L10.0628931,11.4351058%20L14.6369354,16%20L16,14.6369354%20L11.4351058,10.0628931%20Z%20M5.946255,10.0628931%20C3.66838193,10.0628931%201.82961692,8.22412807%201.82961692,5.946255%20C1.82961692,3.66838193%203.66838193,1.82961692%205.946255,1.82961692%20C8.22412807,1.82961692%2010.0628931,3.66838193%2010.0628931,5.946255%20C10.0628931,8.22412807%208.22412807,10.0628931%205.946255,10.0628931%20Z'%20id='形状'%3e%3c/path%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/svg%3e)
%20-%20https://sketchapp.com%20--%3e%3ctitle%3e路径%3c/title%3e%3cdesc%3eCreated%20with%20Sketch.%3c/desc%3e%3cg%20id='页面1'%20stroke='none'%20stroke-width='1'%20fill='%23333333'%3e%3cg%20id='图意搜索2'%20transform='translate(-258.000000,%20-190.000000)'%20fill-rule='nonzero'%3e%3cg%20id='编组-26'%20transform='translate(258.000000,%20186.000000)'%3e%3cg%20id='编组-19'%3e%3cpath%20d='M11.3793501,11%20C11.2184103,11%2011.0575763,10.9353093%2010.9360197,10.8063021%20L6,5.56791848%20L1.06398812,10.8063021%20C0.824070393,11.0609268%200.431064101,11.0650429%200.186257866,10.8154807%20C-0.0585907019,10.5658966%20-0.0625480588,10.157172%200.177411997,9.9025253%20L5.55671586,4.19369791%20C5.67346862,4.0698193%205.83324448,4%206,4%20C6.16676336,4%206.32656037,4.06981928%206.44329198,4.19369791%20L11.8225958,9.9025253%20C12.0625559,10.157172%2012.0585774,10.5658966%2011.81375,10.8154807%20C11.6929552,10.938611%2011.5360997,11%2011.3793501,11%20Z'%20id='路径'%20transform='translate(6.000000,%207.500000)%20scale(1,%20-1)%20translate(-6.000000,%20-7.500000)%20'%3e%3c/path%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/svg%3e)
Quick answer：GGplot2 offers a variety of built-in color schemes that are visually appealing for data visualization. These color schemes can be applied to plots to enhance their aesthetic appeal and readability. Users can choose from predefined schemes or create custom color palettes.