question: protected final Color decodeColor ( String key , float hOffset , float sOffset , float bOffset , int aOffset ) { if ( UIManager . getLookAndFeel ( ) instanceof SeaGlassLookAndFeel ) { SeaGlassLookAndFeel laf = ( SeaGlassLookAndFeel ) UIManager . getLookAndFeel ( ) ; return laf . getDerivedColor ( key , hOffset , sOffset , bOffset , aOffset , true ) ; } else { return Color . getHSBColor ( hOffset , sOffset , bOffset ) ; } }
target:  Decodes and returns a color, which is derived from a base color in UI defaults.