The hex color #7ed1e4 is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#812E1B. The grayscale version is
#BCBCBC. A 20% lighter version of the original color is
#B1FFFF, and Hex
#4B9EB1 is the 20% darker color. If the color is saturated by 10%, you get
#78D3E8. If the color is desaturated by 10%, the color
#84CFE0 is obtained.