The color red generally tells you "stop" or "don't." For example, stop signs are red, and a red circle and slash means that the thing pictured on the sign is prohibited.
Red is universally regarded as a "warning" colour - DANGER!
The color sign of the Blue, Red, Yellow is usually represented by RYB.
Red. It's a stop sign.
The color of a "no littering" sign is typically red and white, or sometimes blue and white.
The "do not enter" sign is typically displayed in the color red.
red
red & yellow
red is the luckey color
The stops sign is red rather than another color purely through custom. It is also fair to say that red is very noticeable whereas yellow might not be so clear.
can you tell me the 10 symptoms of red-green color blindness
red
red and white. has a cross or plust sign
his fav color is Red and Black I am tell the true