sp1 + geom_boxplot(aes(group=Time),fill='dimgray')

sp1 + geom_boxplot(aes(group=Time),fill='dodgerblue')

sp1 + geom_boxplot(aes(group=Time),fill='firebrick')

sp1 + geom_boxplot(aes(group=Time),fill='floralwhite')

sp1 + geom_boxplot(aes(group=Time),fill='forestgreen')

sp1 + geom_boxplot(aes(group=Time),fill='gainsboro')

sp1 + geom_boxplot(aes(group=Time),fill='ghostwhite')

sp1 + geom_boxplot(aes(group=Time),fill='gold')

sp1 + geom_boxplot(aes(group=Time),fill='goldenrod')

sp1 + geom_boxplot(aes(group=Time),fill='lavender')

sp1 + geom_boxplot(aes(group=Time),fill='lavenderblush')

sp1 + geom_boxplot(aes(group=Time),fill='lawngreen')

sp1 + geom_boxplot(aes(group=Time),fill='lightblue')

sp1 + geom_boxplot(aes(group=Time),fill='lemonchiffon')

sp1 + geom_boxplot(aes(group=Time),fill='ivory')

参考文献:Practical Receipes for Visualizing Data----R Graphics Cookbook —Winston Chang O’REILLY
百度文库—颜色大全:含中英文对照及色值
开发环境:RStudio和微信截屏工具