The hex color #43e7dc is a light color. The web-safe version is Hex
#33FFCC. A complementary color is
#BC1823. The grayscale version is
#ADADAD. A 20% lighter version of the original color is
#76FFFF, and Hex
#10B4A9 is the 20% darker color. If the color is saturated by 10%, you get
#38EDE1. If the color is desaturated by 10%, the color
#4EE1D7 is obtained.