Quote Originally Posted by Hothir Ethelnor View Post
If the thread-count says "blue" any shade from sky blue to dark navy could be used.
The complicated bit is that a certain shade of blue ("azure") signifies a "different" color, rather than being lumped in with other "blues".

Consider the thread count for the Carolina tartan:

R64A28K32Y6K8W8K8R2G56R26K8R8W4

where the "Carolina Blue" color is listed as "A", azure.