A lac is 100,000 I presume. A 100,000 euro note is brown in colour. This note is quite rare becuase the euro countries are withdrawing the usage of large notes.
See the link below for a photo of both sides of a 10 euro note.
20 euro note
20.
Blue. Each Euro note represent a time period of architecture design. The 20 euro note printed design is of a 13th-14th century gothic design. the size is 133mm by 72mm
It's green. Scroll down to related links and look at "Euro banknotes - Wikipedia".
it is coloured purple and has a picture of modern architecture on it
No person is on the note. The Greek goddess Europa is in the watermark for it.
It has this colour: because there are no €1000 notes. The highest denomination is €500.
500 euro
Red.
10 euro