最近我在webkit资源中发现了这个有趣的东西，与颜色转换(hsl到rgb)有关:http://osxr.org/android/source/external/webkit/Source/WebCore/platform/graphics/Color.cpp#0111constdoublescaleFactor=nextafter(256.0,0.0);//it'sheresomethinglike255.99999999999997//..somecodeskippedreturnmakeRGBA(static_cast(calcSomethingFrom0To1(blablabl