The SVG image in the xsl-fo document below, contains the color rgb(243,220,241)

If FOP (with option myDriver.setRenderer(Driver.RENDER_PDF);) converts this 
xsl-fo document to a .pdf file, the the color in the .pdf file will be 
set/displayed: rgb(255,220,241).

The same occurs if we transform the xsl-fo document to pdf using XML Spy.

It seems so, that FOP set the color values 243 and higher to 255.

If we run FOP and render a SVG, then the color is ok. 
If we import the SVG image to Open Office and save it as a .pdf file, then the 
color is correct too.

SVG image in xsl-fo document:
=============================
<fo:block space-before="1.838452mm" space-after="0.0mm" margin-left="0.0mm" 
white-space-collapse="false" text-align="center" hyphenate="false">
				<fo:instream-foreign-object>
					<svg 
xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" 
style="stroke-dasharray:none; shape-rendering:auto; font-family:'sansserif'; 
text-rendering:auto; fill-opacity:1; color-interpolation:auto; color-
rendering:auto; font-size:12; fill:black; stroke:black; image-rendering:auto; 
stroke-miterlimit:10; stroke-linecap:square; stroke-linejoin:miter; font-
style:normal; stroke-width:1; stroke-dashoffset:0; font-weight:normal; stroke-
opacity:1;" width="60mm" preserveAspectRatio="xMinYMin" viewBox="0 0 230 111" 
height="29mm">
						<defs id="genericDefs"/>
						<g transform="translate(0,0)">
							<g style="fill:rgb
(243,220,241); stroke:rgb(243,220,241);">
								<rect x="98" 
y="74" width="112" style="stroke:none;" height="26"/>
							</g>
						</g>
					</svg>
				</fo:instream-foreign-object>
			</fo:block>