Friendly fight for attention

The colors green and red are associated with the concepts of go and stop.
But it doesn’t stop there, the story goes on.
At sea, the colors signal the difference between right and left.
Color blindness can contribute to the inability to distinguish the two colors.

Friendly fight for attention – cooperation and rivalry.

Inspired by this week “Red’n green” theme in the “Friendly Friday”.
Something to ponder about