11 Only use on 7% gray or less. Primary Logos: Do’s & Dont’s Do not use on Black or gray higher than a 7% tint. Do not use on PMS 313 or any tint of PMS 313. Do not use on secondary colors or any sort of pattern. If using on gray background, gray must be 90% tint or more. Do not use on PMS 313 or any tint of PMS 313. Do not use on secondary colors or any sort of pattern. Do not use on any tint of Black below 90% Primary 1 313+BK Primary 2 313+W