Caran d’Ache is known for producing graphite of superior quality. This bicolor graphite/red annotation pencil is a personal favorite of mine, both for work and personal reading, and forms an essential part of my journaling and reading kits. Caran d’Ache woodcase pencils are FSC certified.
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These also look great.
https://www.prismacolor.com/colored-pencils/premier-col-erase-colored-pencil-sets/SAP_20516.html
These charcoal-colored pencils can be a good alternative.
I found these bi-colored graphite pencils. Not sure if the vibrant part is graphite, though.