Half and half nails (also known as "Lindsay's nails") show the proximal portion of the nail white and the distal half red, pink, or brown, with a sharp line of demarcation between the two halves.

[1]: 785  The darker distal discoloration does not fade on pressure,[2] which differentiates Lindsay's nails from Terry's nails.

Absence of lunula, splinter hemorrhage, and half and half nails were significantly more common in hemodialysis patients, while leukonychia was significantly more common in transplant patients.

[1]: 785 [3]: 659 Half and half nail is when the distal portion of the nail is reddish brown, while the proximal area is white.

[4] As the symptom itself is benign from the medical point of view, treatment is limited to cosmetic measures.