The hex color #90ea2c is a light color. The web-safe version is Hex
#99FF33. A complementary color is
#6F15D3. The grayscale version is
#8D8D8D. A 20% lighter version of the original color is
#C3FF5F, and Hex
#5DB700 is the 20% darker color. If the color is saturated by 10%, you get
#90F322. If the color is desaturated by 10%, the color
#90E136 is obtained.