This has been answered at Stackoverflow: http://stackoverflow.com/questions/8214924/illustrator-svg-effects-coding-issues

I've tried everything. 0.003921568 gives RGB 0 but 0.003921569 gives RGB 13. It is impossible to even specify a value in between that range. Illustrator is wack and so is Chrome and there is no apparent reason why. AI sucks. I'm just going to duplicate the vector and offset that to make the shadow. ...

Sorry, I was going to share but I realized the math still doesn't add up.

Wow, I finally figured it out after 2 days, 2 sheets of graphing paper and 5 sheets of blank paper with both sides scribbled on. No thanks to ANYTHING or ANYONE on the internet. I couldn't find the solution anywhere.

Why do you suppose this is? Why is there some kind of color curve in Chrome and Illustrator? Where is the math so I can compensate?

The color specifications seems to be an exponential curve. I plotted the output values when specifying .1, .15, .2, .25, etc. and looked at the corresponding RGB decimal value. For example, 0.215 is 127 and 0.5 is 187. Plotting the other decimals shows an exponential curve on a graph. This is very v...

I realize this doesn't have much to do with Inkscape but I figured this would be a good place to start. I am having some REAL big problems coding SVG XML and having it being reproduced in Illustrator as I am expecting. Major problem right now is the feColorMatrix effect. I understand the effect and ...