Keep in mine, it's not just direct sun that can cause some of the interior color plastics to color shift. Heat, and oxygen can cause plastics to change color as well.

There really isn't any special interior colors that are unique. There was a true beige/tan interior for 87-89, but there are some differences that make it stand out from 90-93 interior parts.

I've seen plenty of grey interiors color shift to a sort of tannish grey. Years of grime don't help either. The problem when you go to spray interior panels with aerosol dye is that the new dyed parts often reflect the original interior color and then the rest of the color-shifted interior doesn't match well.

 

Keep in mine, it's not just direct sun that can cause some of the interior color plastics to color shift. Heat, and oxygen can cause plastics to change color as well.

There really isn't any special interior colors that are unique. There was a true beige/tan interior for 87-89, but there are some differences that make it stand out from 90-93 interior parts.

I've seen plenty of grey interiors color shift to a sort of tannish grey. Years of grime don't help either. The problem when you go to spray interior panels with aerosol dye is that the new dyed parts often reflect the original interior color and then the rest of the color-shifted interior doesn't match well.

Correct and agreed.

After some more digging i ended up finding more pieces (original to the car with visible age) and a few nearly perfectly matched the new Titanium Gray with a slight bit of fading.

Looks like I'll be going through and doing the titanium gray all around, going to be a lot of paint considering all my vents, door panels, pads, everything is a slightly different color.

I appreciate the feedback and advice!

 

This past summer I painted a few interior parts for 93(Opal grey) and there was like 4 or 5 different shades of the color from part to part.

 

that’s how my interior is right now, the vents, the dash pad, convertible armrests, everything seems to be either slightly off or nearly a totally different color and it drives me nuts

 

I'm in the same boat and will likely be painting more than I want to this summer.

 

there was a big long thread about this a few years ago. LMR doesn't match anything, because the stuff is all faded from y ears of sun and oxygen exposure. Even then the parts that are still untouched, they're faded too and LMR's stuff still doesn't match all that great.

SEM is the right stuff to use. For Titanium, I used SEM "Ladera". It's extremely close to original, in fact I can't tell the difference between original and Ladera. My friend is a specialist in the field (he does some paint stuff for a huge company) and he says it's so close that he can barely see the difference--and he's very good at spotting differences like that.

For Opal I haven't found a perfect SEM match, but I did find that NPD part VP-4221 is again, extremely close to original. I did the entire interior of my 93 coupe with it. Originally I didn't do the dash because I was too lazy and you couldn't see any difference between the dash and door panels. But I had to do the heater core, and while the dash was out, I finished up painting the dash and vents as well. The vents looked kinda bad from fade. That car came out beautiful. Kinda wish I'd have kept it but I couldn't not sell it for what they gave me for it.

biggest thing to doing it is to prep prep prep. Follow the directions on the product you are spraying exactly. If you think you've got it clean enough clean it again. And use the adhesion promoter as directed for the material you are spraying it on.

the worst part of reworking the interior is that if you dye one panel, it will not match another because of normal fade, etc. So if you are going to do it, and you can afford it and the time, it's wise to paint everything. When done correctly, it comes out great and really makes you proud to drive it even if the exterior isn't perfect.