diff --git a/彩色直方图.py b/彩色直方图.py
new file mode 100644
index 0000000..73251a0
--- /dev/null
+++ b/彩色直方图.py
@@ -0,0 +1,19 @@
+import cv2 as cv
+import matplotlib.pyplot as plt
+import numpy as np
+ 
+img = cv.imread('./da.jpg')
+cv.imshow('Img', img)
+ 
+plt.figure()
+plt.title('Color Histogram')
+plt.xlabel('level')
+plt.ylabel('number of pixels')
+colors = ('b', 'g', 'r')
+for i,item in enumerate(colors):
+     hist = cv.calcHist([img], [i], None, [256], [0,256])
+     plt.plot(hist, color=item)
+     plt.xlim([0,256])
+ 
+plt.show()
+ 
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