A blue flag is waved to inform you that a faster car is coming up to lap you.
faster light is red color light
Hi There is no specific colour for a 'grade' in greyhound racing,
white and blue
silver with blue racing stripes
YELLOW
The medium through which it passes
well red fades the faster
Yellow
British racing green.
Yellow
its the color of a pencil
I think Lite color fabrics makes ice cubs melt faster.