Colour

cv2.namedWindow('Color Recognition App')
cv2.setMouseCallback('Color Recognition App', mouse_click)
while(1):
cv2.imshow("Color Recognition App",img)
    if (clicked):
   
        #cv2.rectangle(image, startpoint, endpoint, color, thickness)-1 fills entire rectangle 
        cv2.rectangle(img,(20,20), (750,60), (b,g,r), -1)
#Creating text string to display( Color name and RGB values )
        text = recognize_color(r,g,b) + ' R='+ str(r) +  ' G='+ str(g) +  ' B='+ str(b)
        
        #cv2.putText(img,text,start,font(0-7),fontScale,color,thickness,lineType )
        cv2.putText(img, text,(50,50),2,0.8,(255,255,255),2,cv2.LINE_AA)
#For very light colours we will display text in black colour
        if(r+g+b>=600):
            cv2.putText(img, text,(50,50),2,0.8,(0,0,0),2,cv2.LINE_AA)
            
        clicked=False
#Break the loop when user hits 'esc' key    
    if cv2.waitKey(20) & 0xFF ==27:
        break
cv2.destroyAllWindows()