How to Import:
/plater > Npc Colors tab > hit the Import button > paste the string and hit okay.
Example:
How to Edit:
/palter > Npc Colors tab > you can edit any color there, also if you do this inside a dungeon you may edit directly in the npc nameplate:
Color Codes:
Blue for casters.
White for healers.
Golden for fixate / chargers
Brown for melee.
Pink for mini-bosses.
Green for hunters and special mobs
Darkred for adds and minor creatures