BarLegend
Represents bar-type legend
BarLegend[cf_ColorFunction | cf_String]BarLegend[{cf_, {min, max}}]where cf is a color function (named or provided explicitly)
Examples
Named colors
BarLegend[{"Rainbow", {0,1}}]Using Hue
BarLegend[{Hue, {0, 1}}]Implicit usage
Automatically generated and wrapped into Legended
ContourPlot[Sin[x y], {x, 0, \[Pi]}, {y, 0, \[Pi]}, Contours -> 5, PlotLegends -> Automatic]