Paint Production Numbers

hi mtnemo is there any change color in the b5 blue between 70&71 my demon was built dec 1970 at the LA plant we had minor right rear quater damage that was fixed 1971 the color is just a little lighter and as i am now trying to fix some area of minor scratches i am finding that the rattle cans and the paint that has been mixed by two different places match the touched up area but not the org. color have gone to the trunk and interior but it still does not match the new paint we are hoping not to repaint the car as it is all org.thanks for your or any ones in puy