Q: What are the supported RGB value for the watermark color? Currently
we are using just red, blue and green and we would like to add more
color options. I tried the values 120,120,120 for gray it didn't work
A: You can use any possible RGB value (or CMYK, Gray, etc).
The only problem is that colorant values in PDF are represented in the
So to convert the RGB values in the range [0.255] to [0,1] use the
ColorPt mycolor = new ColorPt(120/255.0, 120/255.0, 120/255.0);
i.e. divide each colorant value with 255.0.