matplotlib ax annotate color of the arrow

1import matplotlib.pyplot as plt
2
3fig = plt.figure()
4ax = fig.add_subplot(111)
5
6ax.annotate('test', xy=(0.9, 0.9),
7             xycoords='data',
8             xytext=(0, 0),
9             textcoords='data',
10             arrowprops=dict(arrowstyle= '<|-|>',
11                             color='blue',
12                             lw=3.5,
13                             ls='--')
14           )
15
16ax.set_xlim(-0.1,1)
17ax.set_ylim(-0.1,1)
18fig.show()
19