ɪf wˈaɪt lˈaɪt ɪz ʃˈɑːn θɹuː ðə fˈɪltɚ, ðə lˈaɪt tɹænsmˈɪɾᵻd ˈɔːlsoʊ ɐpˈɪɹz blˈuː bɪkˈʌz ʌvðɪ ɐbsˈoːɹpʃən ʌvðə ɹˈɛd ænd ɡɹˈiːn wˈeɪvlɛŋθs.
If white light is shone through the filter, the light transmitted also appears blue because of the absorption of the red and green wavelengths.