Savage Seamless Background Paper is a dyed product, therefore does not have exact CMYK/RGB/Pantone matches. You can find similar matches to each color listed on each individual product page under the tab titled "Specs".  Also, download our Swatch Exchange file here for graphic design and creative use in Adobe Photoshop, Adobe Illustrator or Adobe InDesign.
Before using our suggested RGB / CMYK values as a reference in Photoshop; verify the following document settings:
Edit\\Color Settings\\ Working Spaces...
RGB = sRGB IEC61966-2.1
CMYK = U.S. Web Coated (SWOP) v2
Gray: Dot Gain 20%
Spot: Dot Gain20%