The hex color #5ddcec is a light color. The web-safe version is Hex
#66CCFF. A complementary color is
#A22313. The grayscale version is
#B7B7B7. A 20% lighter version of the original color is
#90FFFF, and Hex
#2AA9B9 is the 20% darker color. If the color is saturated by 10%, you get
#54E0F1. If the color is desaturated by 10%, the color
#66D8E7 is obtained.