Liquid layout with liquid left + fixed right column

Question

The question is pretty self explanatory. All these div elements are 100% in height I need the left div to flex, but not have it set to overflow:hidden so that I can make it\

Answer 1

DEMO

html, body {
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
}

#left, #right {
    height: 100%;
    float: left;
}
#parent{
    width: 100%;
    height: 100%;    
}   

#left {
   width: calc(100% - 450px);;
   background-color: teal; 
}
#right {    
    width: 450px;
    background-color: olive; 
}