"Well the good news is that most all of the color swatches for emerald green are very close to each other, so at least there is agreement.  Emerald is apparently "cooler" (towards blue rather than yellow) of just plain green which we have tackled and tamed -- well, I hope so anyway.  It is very close to "teal".   Since green have been problematic for me I am guessing this may be a tricky color, but hopefully something is hiding in my inventory." Read more on the blog.