OLO half marker system allows users to combine any two colors and nibs for a unique, personalized marker
Each half marker contains 2 ml of ink, delivering over 90% more usable ink than standard alcohol markers
Connector ring enables easy creation of double-ended markers with up to 4 ml of ink
Compatible with all OLO nibs for maximum customization
Available in exclusive Blue Hydrangea color for creative projects
Summarized by Shop
B1.3 Blue Hydrangea is 1 of 96 NEW OLO colors released in 2026, expanding the OLO color system to 256 total colors.
Half-markers: One OLO half-marker has 2ml of ink and delivers over 97% more usable ink than traditional alcohol markers. Use an OLO Connector Ring to combine any two half-markers for a double-ended marker with a total of 4ml
