The hex color #5bb38b is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#A44C74. The grayscale version is
#888888. A 20% lighter version of the original color is
#8EE6BE, and Hex
#288058 is the 20% darker color. If the color is saturated by 10%, you get
#56B78B. If the color is desaturated by 10%, the color
#60AF8B is obtained.