82 SC had Grand Prix White - L908 and Chiffon White - L182.
The GP white is very, very white, the Chiffon is a warm, yellowish white.
80 SC had GP White and Alpine White, which is similar to Chiffon white.
There is sometimes a plaque on the front of the driver's door jamb by the interior light switch (not always).
You can look at colors at
www.paintscratch.com