Is there any other color on your mind this time of year besides green?   Trees are budding, the grass is coming back and we’ve just celebrated St. Patrick’s Day. It feels like we’ve turned a corner and everyone is in higher spirits, so let’s rejoice in the one hue that delivers a boost of happiness just when we need it most.  Kelly, chartreuse, lime or sage – whatever the shade – you are sure to find glorious greens all around you this spring.         – nature / exteriors – “Green” buildings Ann Demeulemeester in Seoul and the Caixa Forum in Madrid.   Spanish copper wall image c/o…