python colormap

from colormap import rgb2hex
import numpy as np
from matplotlib import pyplot as plt
color_names = []
sample = [0, 0.25, 0.5, 0.75, 1]  # 可以根据自己情况进行设置
for i in sample:
    for j in sample:
        for k in sample:
            col = rgb2hex(i, j, k, normalised=True)
            color_names.append(col)
# print(color_names[0])
x = np.random.random((1000, 1))
j = 0
for i in range(len(color_names)):
    y = j*3 + np.random.random((1000, 1)) * 2
    j += 1
    plt.plot(x, y, ‘o‘, color=color_names[i])
plt.show()