Guide to photo formats and sizes requirements for Greece ('Eλλας)
PhotoPassport.app uses its own maintained registry of countries and document types following official documentations.
Passport (40 x 60 mm)
40x60 mm
Picture size
40x60 mm (width x height)
Head height
57% of the photo total height
Top head distance
18% from top the of the photo
Background color
#eeeeee
Digital format
800x1200
Printable format
10 × 15 cm — 4" × 6"
Link to official documents
http://www.passport.gov.gr/en/npc-content/npc-periexomeno/technical-specifications.html
PhotoPassport.app automatically generates your photos with all the requirements.
Give it a try.