color off a bit with touch up

Dave C 5

Dave C 5

Member
curious......I painted a Camaro recently with Omni plus ( I know - budget) in hugger orange. The paint is one month old, universal clear was used. So he brings it back for a touch up chipped area. I used a jamb gun and feathered in the paint but kept the fan narrow and the fluid light. Everything looked great until I cleared it---the shade is a little lighter. I mixed the paint up real good. My question is....does spraying from a smaller nozzle cause that ? I've noticed it on some colors with my airbrush. Is orange/red prone to this ? Am I going to have to break out the big gun and feather in a larger area?
 
A lot of times the bottom of the can will be lighter in that kind of color because the white pigments are the heaviest and resist being stirred in. Other times a mismatch can be due to having incomplete coverage on the vehicle being repaired, in your case incomplete coverage over a darker substrate like grey primer will make the color look a bit darker than it was intended to be. When a repair is attempted, full coverage is more likely to be achieved to hide the repair area, resulting in a lighter shade in that area.

Could be a bit of both going on, a different gun can also affect the color a bit as you say, weather and reducer speed can also have a bit of an effect. Most of these things are mainly a problem with metallics and pearls, though.
 
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I feathered the paint over sanded clear so no primer was used....I really tried to keep that gallon of paint completely stirred every time I painted a panel through out the process of painting the car and it all matches....guess I'm gonna have to try and find a way to feather it into an area where it's not as noticeable and try the bigger gun. I hate to repaint a complete quarter if it is a paint mixing problem cause then it will be off at the doors going down the side of the car. The reason I ask about tip size is when I tried to airbrush in a repair on this car during the painting stage (bad chip-my fault) it wasn't anywhere near the match but when I repainted the whole door using the reg. gun it was perfect
 
I actually have a barely used quart but I was afraid to use that since it wasn't mixed at the same time as the gallon....any chance it may work better ? or maybe add it to the used gallon ?
 
if i do 1 1/2 gal i mix it all together and the put in qrts . unless your using a good shaker for 5 min every time the last qrt will have more pigment/met in it from settling .
at this point you are doing a repair. not going to match up .
 
ok thanks.....i'll try and hide it along body lines the best I can.....not off by much but I notice it under flouresent lights, might be better outside....or worse !
 
Test panels are your friend, get some from your jobber and then you'll know what you are getting before it ends up on the vehicle!
 
Today I painted it again but this time I used the bigger gun and blended out a bit further - matched perfect. Might have been better coverage , I don't know if it was weather conditions or bigger tip on the gun or what but it worked - thanks for everyone's advice
 
It is best to use the same gun as well as everything else being the same, temp, reducer, technique, but I haven't had issues with solid base like that before. Good to know.
 
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