The hex color #5ebdb7 is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#A14248. The grayscale version is
#9B9B9B. A 20% lighter version of the original color is
#91F0EA, and Hex
#2B8A84 is the 20% darker color. If the color is saturated by 10%, you get
#58C0BA. If the color is desaturated by 10%, the color
#64BAB4 is obtained.