This results in bright images with high resolution and high contrast. Brown exists as a color perception only in the presence of a brighter color contrast. This also reduces contrast and brightness. Additionally, usage of black would contrast more boldly with the red colors. Colour vision is also affected by turbidity of the water which tends to reduce contrast. White and black form the second great contrast, which is static. He notes an equally stark contrast in their real identities. The encapsulation may also be clear or tinted to improve contrast and viewing angle. Analysis based on tonality and contrast are particular examples. Some languages do not contrast voices, but have other similar constructions. However, it is possible for languages to contrast and . Siegel thought this would make for interesting dramatic contrast and good humor. Subjects are examined with and without water contrast. This allows for areas of lower local contrast to gain a higher contrast. It acted as a visual contrast to the previous games.