Spot colour is to match a particular colour especially the background colour of the company logo on a printed image. The main reason that the spot colour is utilized is to maintain the colour fidelity or accuracy of the colour throughout the print run.
When you submit a file, the file should be submitted in PMS colours with PMS numbers provided.
Computer Screen colours are never accurate; please check your CMKY or Pantone (PMS) specifications. Any files received another colour format we will still print and may not reproduce as your expectations. Print 247 will not be responsible for any colour variations or errors.