@JanisTX Here's another idea, if you want to exactly match the paper to the mat, if you have the tools.
1. Scan the mat (or take a photo of it)
2. Sample the color via a photo program, if you have such a program, or crop a piece of it to create a jpg of it.
3. Print this jpg (fit to fill the whole page) on the paper you are using to write the names.
The color should match the mat closely if not perfectly. One important thing, though, is to write the names on the blank white paper before you print the color of it over the sheet with the names, as if you print the color first, it will affect the writing adversely if you print the names on the colored sheet.
I've used this technique to print envelopes the exact color of the reddish/purple cancel marks that our local PO uses to hand cancel letters, and the result is that cancel literally disappears on the colored envelope.
ps. If you don't have a photo program to do this, send me a scan of a mat (a photo is the second choice) and I'll create a page you can print (assuming you have a color printer).