Assuming the vinyl floor is nitrile or chloroprene, it is bare, clean, dry, sound and prepared as detailed in the technical data sheet you could consider Smartkote Safekote.

This is available in a range of colours

Clean well using detergent or cleaning solvent such as 100 Rapid Drying Thinner, allow to dry.

We would recommend to test on a small area prior to full application for compatibility and adhesion.