The hex color #e9e70a is a light color. The web-safe version is Hex
#FFFF00. A complementary color is
#1618F5. The grayscale version is
#9E9E9E. A 20% lighter version of the original color is
#FFFF3D, and Hex
#B6B400 is the 20% darker color. If the color is saturated by 10%, you get
#F1EE00. If the color is desaturated by 10%, the color
#E2E019 is obtained.