keep everything exactly as it is do not change geometry materials textures aggregates joints flooring glazing red aluminium camera perspective lighting shadows only adjust the colour of the two concrete materials upper level salmon concrete keep the same salmon colour but make it more desaturated and slightly greyer it should become a soft dusty muted salmon grey do not change its lightness significantly ground floor light green concrete keep the same light green colour but make it more desaturated and slightly greyer it should become a soft dusty muted light green grey do not change its lightness significantly both colours should remain clearly identifiable as salmon and light green but with much less saturation and more grey the overall colour palette should feel softer calmer and more harmonious only change the colours everything else must remain exactly as the attached image
