[Pantone Value] BlackC/White [Meaning] A half black and half white flag informs a driver that his behaviour has been deemed unsporting and if he does not begin acting in a sporting manner immediately he will be disqualified. A sign with the car number accompanies the flag. [Description] 
Half black
Y e l l o w
G r e e n
R e d
B l u e
W h i t e
B l a c k
C h e q u e r e d
H a l f b l a c k
B l a c k w i t h o r a n g e c i r c l e
Y e l l o w a n d r e d s t r i p e s