Categorical
- d3.schemeCategory10 - an array of ten categorical colors.一组10类颜色
- d3.schemeAccent - an array of eight categorical colors.一组8类颜色
- d3.schemeDark2 - an array of eight categorical colors.一组8类偏暗颜色
- d3.schemePaired - an array of twelve categorical colors.一组6对颜色
- d3.schemePastel1 - an array of nine categorical colors.一组偏粉颜色
- d3.schemePastel2 - an array of eight categorical colors.另一组偏粉颜色
- d3.schemeSet1 - an array of nine categorical colors.一组颜色
- d3.schemeSet2 - an array of eight categorical colors.一组颜色
- d3.schemeSet3 - an array of twelve categorical colors.一组颜色
- d3.schemeTableau10 - an array of ten categorical colors.一组颜色
