Color swatches and themes

Color in HSL notation Example
hsl(90deg, 100%, 50%)  
hsl(90, 100%, 50%)  
hsl(0.15turn, 50%, 75%)  
hsl(0.15turn, 90%, 75%)  
hsl(0.15turn, 90%, 50%)  
hsl(270deg, 90%, 50%)