Function to_hex

lib/matplotlib/colors.py:555–574

Convert *c* to a hex color. Parameters ---------- c : :mpltype:`color` or `numpy.ma.masked` keep_alpha : bool, default: False If False, use the ``#rrggbb`` format, otherwise use ``#rrggbbaa``. Returns ------- str ``#rrggbb`` or ``#rrggbbaa`` hex color

(c, keep_alpha=False)

def to_hex(c, keep_alpha=False):
    """
    Convert *c* to a hex color.

    Parameters
    ----------
    c : :mpltype:`color` or `numpy.ma.masked`

    keep_alpha : bool, default: False
      If False, use the ``#rrggbb`` format, otherwise use ``#rrggbbaa``.

    Returns
    -------
    str
      ``#rrggbb`` or ``#rrggbbaa`` hex color string
    """
    c = to_rgba(c)
    if not keep_alpha:
        c = c[:3]
    return "#" + "".join(format(round(val * 255), "02x") for val in c)


### Backwards-compatible color-conversion API