For anyone like me wondering about the new pink blazes, I found this post on the NY-NJ Trail Conference Website:
Several trail improvements, which aim to make trails easier to follow, are complete in Ringwood State Park. The improvements include changing blaze colors and creating new trails. This "Trail Changes Complete" map shows the newly implemented trail system in Ringwood State Forest. Please take a...
www.nynjtc.org
Apparently hikers have been getting lost in Ringwood, so they created a pink loop (mostly on previously existing trails) that brings hikers back to the Botanical Garden. Some sections of the pink loop overlap with the white trail, so be prepared to see more hikers when riding those sections.