nl_tokens: Copyright ( c ) 2006 - 2009 Hampton Catlin Natalie Weizenbaum and Chris Eppstein http : // sass - lang . com
pl_tokens: function ( color1 , color2 , <mask> ) { if ( ! color1 . toHSL || ! color2 . toHSL ) { console . log ( color2 . type ) ; console . dir ( color2 ) ; } if ( ! weight ) { weight = new Dimension ( 50 ) ; } var p = weight . value / 100.0 ; var w = p * 2 - 1 ; var a = color1 . toHSL ( ) . a - color2 . toHSL ( ) . a ; var w1 = ( ( ( w * a == - 1 ) ? w : ( w + a ) / ( 1 + w * a ) ) + 1 ) / 2.0 ; var w2 = 1 - w1 ; var rgb = [ color1 . rgb [ 0 ] * w1 + color2 . rgb [ 0 ] * w2 , color1 . rgb [ 1 ] * w1 + color2 . rgb [ 1 ] * w2 , color1 . rgb [ 2 ] * w1 + color2 . rgb [ 2 ] * w2 ] ; var alpha = color1 . alpha * p + color2 . alpha * ( 1 - p ) ; return new Color ( rgb , alpha ) ; }