There are two types of Hex color you can input,every Hex color is total 8 digits[A(alpha)R(red)G(green)B(blue)]:
Input format
#ARGByour text
example
#FFB0E0E6ABCDEFG一闪一闪小星星
Input format(from color A to color B,then follows words)
#ARGB-ARGByour text
example
#FFFF69B4-FFFFF0B4Hello World!
#11320004-FF32FF04ABCDEFGHILJK#FF32FF04-11320004LMNOPRSTVUWXYZ