This was a done deal a long time ago - I had asked her to send paint chips so I could select what I considered an appropriate shade - and that's when she gave me that rather snippy response - which she does a lot, anyway!
Sending someone else to pick up some 'blue thread' is like sending me to the hardware store to pick up some 'screws'
Give me one to show the associate and then there is a chance of bringing home something close!