from matplotlib import colors as mcolors

UNKNOWN_COLOR = 'gray'
UNKNOWN_COLOR_RGB = mcolors.to_rgb(UNKNOWN_COLOR)
UNKNOWN_COLOR_RGB = tuple([int(255 * c) for c in UNKNOWN_COLOR_RGB])
DEFAULT_COLOR = 'black'
DEFAULT_COLOR_RGB = mcolors.to_rgb(DEFAULT_COLOR)
DEFAULT_COLOR_RGB = tuple([int(255 * c) for c in DEFAULT_COLOR_RGB])