The hex color #7ce9dd is a light color. The web-safe version is Hex
#66FFCC. A complementary color is
#831622. The grayscale version is
#C1C1C1. A 20% lighter version of the original color is
#AFFFFF, and Hex
#49B6AA is the 20% darker color. If the color is saturated by 10%, you get
#75EDE0. If the color is desaturated by 10%, the color
#83E5DA is obtained.