What is this? Saturation is when the colors are intensified or they are more bold than the original photo. De-saturation is when the colors in the photo are removed and are replaced with grayscale colors. When do I do this? You can use saturation when you want a specific photo to stand out from the other photos. You can also use desaturation to go with a more antique look and switch it to gray scale colors. How do I do this? Go to colors and select Hue-Saturation and then you can change the saturation using the sliding bar for saturation. Original Saturated De-saturated What happens when you increase the saturation? The color intensity increases and the colors seem more bold. What happens when you de-saturate a photo? The colors disappear