代码：
1 # # -*- coding:utf-8 -*- 2 # @Time : 2022/5/6 3 # @Author : 周博 4 # @File : num2rgb.py 5 # @博客园: https://www.cnblogs.com/smartisn/ 6 import cv2 7 import numpy as np 8 # #FFFFF_>RGB(255,255,255) 9 def num2RGB(inputstr): 10 inputstr = "#FFFFFF" 11 str1 = inputstr[1:3] 12 str2 = inputstr[3:5] 13 str3 = inputstr[5:7] 14 num1 = int('0x' + str1, 16) 15 num2 = int('0x' + str2, 16) 16 num3 = int('0x' + str3, 16) 17 return num1,num2,num3 18 # RGB(255,255,255)_>#FFFFF 19 def rgb2NUM(inputstr): 20 list = inputstr.split(',') 21 str1 = list[0][4:] 22 str2 = list[1][1:] 23 str3 = list[2][1:-1] 24 # hex返回的字母A~F均为小写字母a~f，根据样例输出，用upper函数把字母全部转为大写 25 hex1 = hex(int(str1))[2:].upper() 26 hex2 = hex(int(str2))[2:].upper() 27 hex3 = hex(int(str3))[2:].upper() 28 # 十进制转16进制时会出现缺省零的情况，用rjust函数可在字符串左侧填充0 29 # 同理 ljust函数可在字符串的右侧填充0 30 hex1 = hex1.rjust(2, '0') 31 hex2 = hex2.rjust(2, '0') 32 hex3 = hex3.rjust(2, '0') 33 outputstr = "#" 34 outputstr = outputstr + hex1 + hex2 + hex3 35 return outputstr 36 # 展示RGB颜色 37 def ShowRGB(R,G,B): 38 data = np.zeros((400, 400, 3), dtype=np.uint8) 39 data[:] = (R, G, B) 40 cv2.imshow("aaa1", data) 41 cv2.waitKey() 42 if __name__ =="__main__": 43 num_32_10=int("984833",32) 44 num_10_16=hex(num_32_10) 45 R, G, B = num2RGB("#"+str(num_10_16)) 46 ShowRGB(R, G, B) 47 print(num_10_16)