Contrast is the effect that results from placing two objects, scenarios or situations in a demonstrator so that their differences can be compared. The Contrast separates the most essential characteristics of an element or the evaluation of similarity of things can be carried out. This contrast can be applied to different aspects of everyday life. Commonly in the configurations of an image, we can see contrast as one of them, since it is used to determine the visibility of points with certain types of light.
A contrast of ideas can be defined as that analysis in which the ideas and positions of two or more people are contradicted. The political debates are a clear example of a contrast of ideas since in the public arena the ideas of each of the candidates are placed, which are always opposite, then the electorate can have a clearer idea of what the behavior of the candidates will be. competitors in case of being chosen for the position.
Color contrast as a medical application has been helpful for many years in observational clinical studies such as X-rays and MRIs. When the study shows a demarcation of a different color to that considered normal, the anomaly that causes the damage or disease can be found. These x-ray contrasts are easily recognizable by specialists who study the cases with the photographic samples collected by the devices they use. For example, if someone who ate a screw is X-rayed, the screw will glow like a metal that reacts to light, not an organ that stays opaque.