。
The bright colors caught our eye.
Literal
Bright colors [subject-が] we [possessive-の] eye [object-を] pulled.
目を引く ('pull the eye' = 'catch the eye / attract attention') is a set idiom. 明るい色 = 'bright colors.' Note the literal parallel with English 'catch the eye' — different metaphor (pull vs catch) but same body-part image.