Here is a pair of size Medium socks, knit with my new colour, Island Blue.
I had a bit of left over natural yarn on the cone - less than half a skein worth, so I popped it into the dye bath with the bit of colour left unexhausted. The resulting paler version of the Island Blue will do for some heels and toes.
And also from the dye pot:
A pale value of Mouse Grey, and
a pale value of Clay.
Both are in my 75/25 Wool/Nylon fingering weight. I think these two colours will work well together: