Generate a color palette suitable for cell type visualization.
Examples
nova_palette(5)
#> [1] "#E64B35" "#4DBBD5" "#00A087" "#3C5488" "#F39B7F"
nova_palette(20)
#> [1] "#E64B35" "#4DBBD5" "#00A087" "#3C5488" "#F39B7F" "#8491B4" "#91D1C2"
#> [8] "#DC0000" "#7E6148" "#B09C85" "#FF6DB6" "#490092" "#24FF24" "#FFB677"
#> [15] "#006DDB" "#FFFF6D" "#000000" "#B66DFF" "#920000" "#004949"