Replacement Ink Cartridges hold 2ml of OLO alcohol ink. Marker cap, nib, and Connector Rings are not included with Replacement Ink Cartridges. However, additional OLO Connector Rings, replacement nibs, and other accessories are available. Marker bodies are color-coded for quick nib identification. The black marker body identifies the brush nib, while the dark gray marker body indicates the chisel nib. All OLO nibs work with all OLO Replacement Ink Cartridges. Note: Nib and standard marker cap are not included. Reuse your marker cap and nib (or replace the nib) from your empty half-marker. Introducing 96 New OLO Colors. The OLO color palette has expanded to 256 total colors, bringing greater depth, balance, and versatility across every color family. This 96-color expansion enhances blending transitions, broadens tonal ranges, and fills key gaps throughout the system. It also introduces an entirely new color family to OLO: Neutral Gray. Each color has been thoughtfully developed to integrate seamlessly with the existing palette, offering artists more control, smoother gradients, and a wider range of expressive possibilities.
