Chapter8 Exercise 5: Targeting satuation levels

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Saturation and brightness, to a large extent, determine the color to the user's experience, the higher the saturation, lightness, the stronger the visual impact; Saturation, brightness is lower when on the vision milder.“photoshop hue/saturation”的图片搜索结果
As can be seen from the below three pictures: when the saturation is at its lowest, the achromatic proportion is much more significant than the chroma proportion, and the picture becomes a "grayscale" diagram, which can be regarded as a "colorless" diagram. When the saturation is adjusted to the highest, the achromatic proportion is much less than the chroma proportion, and the picture becomes "rich and colorful". The picture details will be lost, and more "color blocks" will be generated, which makes it unreal.















The role of natural saturation
Intelligent enhancement of the screen relatively soft color and the original saturation of the color to stay the same. It's like lighting up a photo, but it's lighting up the intensity. It prevents skin from becoming oversaturated and unnatural.

Natural saturation will automatically protect the saturated color and only adjust the low saturation part of the image. After adjustment, the image will be more natural, which is often used in portrait processing.
Distinguish between curves and hue saturation as well as shades in optional colors because they can also shade but are very different. The slider darkens the three color channels of RGB, which dims the overall brightness of the photo so that the color saturation will be increased. However, if the hue saturation and optional color are used to reduce the light of the three elements of color to change the color brightness, the result will only be the same or lower the saturation.

To summarize，saturation adjusts the overall, changing the saturation intensity of all colors, which can lead to supersaturation, the appearance of color patches, the disappearance of local details, and most commonly the supersaturation of the skin
And I edited the saturation at the end of the photo essay shoot to make the food more attractive.


Bibliography

Burrough, X. and Mandiberg, M. (2009). Digital foundations. Berkeley, C.A.: New Riders.



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