import numpy as np
from matplotlib import pyplot as plt
plt.rcParams["figure.figsize"] = [7.50, 3.50]
plt.rcParams["figure.autolayout"] = True
data = np.array(
[[0.1, 0.7, 0.6, 0.3],
 [0.2, 0.6, 0.5, 0.2],
 [0.8, 0.3, 0.80, 0.01],
 [0.3, 0.4, 0.2, 0.1]]
 )
plt.imshow(data, interpolation="nearest", cmap="RdYlGn_r")
plt.show()