Color Error when the inputs are partly `int`

[ZacZhangzhuo]

Describe the bug As titled.

To Reproduce

from compas.colors import Color

color = Color(0.0,0.0,0)

print(Color.coerce(color))

 File "\compas\src\compas\colors\color.py", line 585, in coerce
    raise ColorError
 compas.colors.color.ColorError