Original Color SilverOxide  Tri-X Photoshop Grayscale
Color Reference supplied by United Photo SilverOxide Tri-X Filter renders colors the way the actual film would Photoshop's Grayscale Convert isn't related to any real life film.
     
Full Color Spectrum
De-Saturation of color
Photoshop® Grayscale Convert
SilverOxide TMAX Filter
SilverOxide T400CN Filter
SilverOxide Tri-X Filter