Colors which have high intensity
are visible from far away. So, they are used to represent danger
signs. e.g: red is the color which is mot visible
even from far away. So, that is why it is used to represent danger
signs and in Ambulance, Fire Fighter truck etc.
High Intensity colors transfer at
more speed than colors with less intensity.
Disadvantages :
Some people can be color blind.
So,it could be difficult for them to differentiate different
colors.
Colors on a digital screen could be
different than they appear in real. So, it could confuse
people.