'des yeux marrons' - you can use 'des yeux noisette' for a hazelnut colour. the word 'brun' also meaning brown is used for the hair, but not for the eyes.
To say 'I have brown eyes' is:
J'ai les yeux bruns.
des yeux marron
In French, "a green eye" is "un oeil vert".
les yeux
Marron
roux
ripailles is a French word, it is pronounced 'rip-eye'
the best I got is eye cover which is couverture d'oeil
Il est marron
brun rouille
"and brown eyes" = "et des yeux marrons"
Socrates had brown eyes, some may say blue, but he has brown eyes.
"ouvrir vos yeux"
dupa muzyna