As of this writing, you cannot buy the at retail. Your options are:

frequently post deep dives into blue palettes, offering tips on how light reflectance values (LRV) and room orientation affect these colors. Benjamin Moore How to Find This Exact Post

Sister Blue, officially designated as FB006, is a cornerstone of the DBM Family’s Blue series. This specific variant has gained a reputation among collectors and designers for its deep emotional resonance and technical versatility. The Visual Profile

: The "DBM" prefix likely refers to Dewata Bali Manufacture (DBM) , a clothing manufacturer that produces custom collections for brands, including swimwear and activewear.

there is no specific blog post found for a product titled "DBM Family Blue 06 FB006 Sister Blue,"

Aesthetic Resonance: Blue as Atmosphere and Emotion Blue is one of the most evocative colors in human experience. It evokes sky and sea, distance and depth, calm and melancholy. The DBM Family Blue 06 FB006 carries that chromatic freight even before its materiality is considered. The term “Blue 06” suggests a precise shade—part of a spectrum reduced to an index—while “Sister Blue” personifies the color, transforming it from a swatch into a presence. In design history, blues have been prized for their emotional range: ultramarine’s intensity connotes luxury and spiritual transcendence, while softer azures suggest domestic comfort and nostalgia. Sister Blue likely exists somewhere along that continuum, a hue chosen not only for visual appeal but for the affective state it invites. Its hue frames interactions: garments feel cooler, interiors read as tranquil, and objects labeled Sister Blue inherit a temperament that shapes users’ moods.