people having colour vision deficiency can identify colours, read Ishihara book and pass medical examination of services like police, military, navy, airforce, army, pharmacy, mining, SSB, medical, engineering, railway and all other services in the world.
Color psychology in Treating Colour Blindness and increasing colour perception is more than just one-sentence explanations of what each colour represents.
It’s true that specific colors can influence the choices of individuals. Colour can affect the brain’s emotion sensors in many ways. It can call attention, inspire emotions, give assurance or tap into nostalgia.
But the psychology of color is not that simple.
A sentence like “yellow represents creativity and happiness” is not exactly color psychology—it’s a generalized association.
In reality, “yellow” can have different connotations depending on how it’s used, what color it’s placed next to and what tone of yellow it is.
Yellow is not always happy and creative—sometimes, it’s sickly and pale.
The yellow in...