Aurifil Cotton RGB Values - Knowing a color's RGB (Red / Green / Blue ) makeup gives you a more precise way to match thread and fabric. Use a program like
Code Beauty to convert Aurifil's colors to Pantone (TM) colors. Or, use a program like
Image Color Picker to identify the colors to any internet image and then compare it to Aurifil's thread colors.
Aurifil 40 / 3 Cotton - Learn about Aurifil's newest cotton thread. It's called Forty3 and is a 40-weight / 3-ply thread designed to today's high speed Longarm machines.