Mahogany is the darkest of the browns. (And personally looks darker than these photos)
A brighter version would be Java/170 & lighter Tootsie/129
Don't forget to ask for a sample if you're not sure.
Item #: 015
Contents: 100% Cotton
Fabric Weight: Craft Cotton
Washing instructions: Machine wash cold, delicate, tumble dry low. Do not bleach.
Brand: PBS Fabrics (Paint Brush Studio)
Kona Match -1136 Espresso