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You can try using the mix-blend-mode css property to add the accent color to the image using the following steps:

1. Change the background color of the containing div from blanchedalmond to the accent color:

   .mid3 {
     ...
     background-color: hsl(277, 64%, 61%);
     ...
   }
   
   

2. Use mix-blend-mode and opacity for the image itself:

   .img {
     ...
     mix-blend-mode: multiply;
     opacity: 0.75; 
   }