The Hobonichi Techo uses 12 soft colors across the book. The TSUKI no IRO stationery series incorporates these colors into simple designs.

A set of six Uniball One pens selected to match the print colors used in the Hobonichi Techo. The JulyDecember set includes: July Nemophila Blue, August Blue Black, September Cappuccino Brown, October Violet, November Emerald, December Red. Comes in an original case.