▁their ▁purpose , ▁the ▁silver ▁images ▁were ▁chem ically ▁removed , ▁so ▁that ▁the ▁completed ▁chrom ogen ic ▁film ▁consisted ▁sole ly ▁of ▁the ▁three ▁layers ▁of ▁d ye ▁images ▁susp ended ▁in ▁gel atin . ▁ ▁[ This ▁is ▁only ▁partially ▁accurate . ▁ ▁All ▁three ▁layers ▁were ▁sensitive ▁to ▁blue ▁light . ▁ ▁The ▁top most ▁layer ▁was ▁co ated ▁onto ▁a ▁" C are y - Le a ▁silver " ▁" filter " ▁layer , ▁which ▁was ▁a ▁blue - light ▁absor bing ▁layer . ▁ ▁This ▁prevent ed ▁blue ▁light ▁from ▁reaching ▁the ▁two ▁lower ▁layers . ▁ ▁It ▁transm itted ▁both ▁red ▁light ▁and ▁green ▁light . ▁ ▁The ▁layer ▁closest ▁to ▁the ▁support ▁was ▁sensitive ▁to ▁both ▁blue ▁and ▁red ▁light . ▁ ▁That ▁is ▁where ▁the ▁red ▁light ▁information ▁was ▁recorded . ▁ ▁The ▁layer ▁above ▁it ▁was ▁sensitive ▁to ▁both ▁green ▁and ▁blue ▁light . ▁ ▁The ▁top - most ▁layer ▁recorded ▁the ▁blue ▁light ▁information .] ▁ ▁K od ach rome ▁ 1 6 mm ▁movie ▁film ▁was ▁released ▁for ▁sale ▁in ▁ 1 9 3 5 , ▁and ▁in ▁ 1 9 3 6 ▁K od ach rome ▁ 3 5 mm ▁still ▁and ▁ 8 mm ▁movie ▁film ▁were ▁released . ▁ ▁Techn icol or ▁Mon op ack , ▁a ▁ 3 5 mm ▁version ▁of ▁K od ach rome ▁Com mer cial ▁( origin ally ▁a ▁special ized ▁ 1 6 mm ▁low - contr ast ▁camera ▁film ▁intended ▁for ▁principal