import cv2 from matplotlib import pyplot as plt import numpy as np

img1= cv2.imread('hristos_karaiskos.jpg')

img1= img[:,:,::-1]

replicate= cv2.copyMakeBorder(img1,10,10,10,10,cv2.BORDER_REPLICATE)

plt.subplot(231) plt.imshow(img1, 'Pastel1') plt.subplot(232) plt.imshow(replicate,'gray') plt.show()

My image wont change color, not or the "pastel1" not to the 'gray"

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import cv2
from matplotlib import pyplot as plt
import numpy as np
np
 
img1= cv2.imread('hristos_karaiskos.jpg')cv2.imread('hristos_karaiskos.jpg')
#img1= img[:,:,::-1]
 
img1= img[:,:,::-1]replicate= cv2.copyMakeBorder(img1,10,10,10,10,cv2.BORDER_REPLICATE)
  
replicate= cv2.copyMakeBorder(img1,10,10,10,10,cv2.BORDER_REPLICATE)
 
plt.subplot(231)
plt.imshow(img1, 'Pastel1')
plt.subplot(232)
plt.imshow(replicate,'gray')
plt.show()plt.show()

My image wont change color, not or the "pastel1" not to the 'gray"