The hex color #b5f19f is a light color. The web-safe version is Hex
#CCFF99. A complementary color is
#4A0E60. The grayscale version is
#C2C2C2. A 20% lighter version of the original color is
#E8FFD2, and Hex
#82BE6C is the 20% darker color. If the color is saturated by 10%, you get
#B4F69C. If the color is desaturated by 10%, the color
#B6ECA2 is obtained.