schemes = [
["Viridis (sequential, multi-hue)", "viridis"],
["Cividis (sequential, multi-hue)", "cividis"],
["Magma (sequential, multi-hue)", "magma"],
["Inferno (sequential, multi-hue)", "inferno"],
["Plasma (sequential, multi-hue)", "plasma"],
["Cubehelix (sequential, multi-hue)", "cubehelix"],
["Warm (sequential, multi-hue)", "warm"],
["Cool (sequential, multi-hue)", "cool"],
["YlGnBu (sequential, multi-hue)", "ylgnbu"],
["YlGn (sequential, multi-hue)", "ylgn"],
["YlOrBr (sequential, multi-hue)", "ylorbr"],
["YlOrRd (sequential, multi-hue)", "ylorrd"],
["Blues (sequential, single-hue)", "blues"],
["Greens (sequential, single-hue)", "greens"],
["Greys (sequential, single-hue)", "greys"],
["Purples (sequential, single-hue)", "purples"],
["Reds (sequential, single-hue)", "reds"],
["Oranges (sequential, single-hue)", "oranges"],
["BuGn (sequential, multi-hue)", "bugn"],
["BuPu (sequential, multi-hue)", "bupu"],
["GnBu (sequential, multi-hue)", "gnbu"],
["OrRd (sequential, multi-hue)", "orrd"],
["PuBuGn (sequential, multi-hue)", "pubugn"],
["PuBu (sequential, multi-hue)", "pubu"],
["PuRd (sequential, multi-hue)", "purd"],
["RdPu (sequential, multi-hue)", "rdpu"],
["Sinebow (cyclical)", "sinebow"],
["Rainbow (cyclical)", "rainbow"],
["Turbo (sequential, multi-hue)", "turbo"],
["Spectral (diverging)", "spectral"],
["BrBG (diverging)", "brbg"],
["PRGn (diverging)", "prgn"],
["PiYG (diverging)", "piyg"],
["PuOr (diverging)", "puor"],
["RdBu (diverging)", "rdbu"],
["RdGy (diverging)", "rdgy"],
["RdYlBu (diverging)", "rdylbu"],
["RdYlGn (diverging)", "rdylgn"],
["BuRd (diverging)", "burd"],
["BuYlRd (diverging)", "buylrd"]
]