Lace Scarf Update

I am slowly getting some doneon my lace scarf.  I need to carve some time out to work on this or it will take forever!!  I need to be able to concentrate on it or I will make mistakes...  I now am half way through the first chart.  It wasn't noticeable when I bought the skein of yarn that is had some slight variation in the color - I am just noticing it now in the picture!  Here is a progress picture: