It's hard to see the details of your infographics at this size, but for color, I can see this going in two directions depending on overall if you felt your food this week was positive or if it let you down... monochromatic (different grays and black maybe) to emphasize your dismay about what you ate (could also relate to silverware or the coldness of stainless steel kitchen appliances) OR using color to make this feel yummy. In this second case, friendly, appetizing colors (I'm thinking like ipod, candy-ish colors) could be used to differentiate one pictogram from the next.
These are going in a much better direction now. Color is going to be key, especially to show the emotional connection to the experience, warm vs. cold, etc.Print this and fold it up, make sure that everything fits comfortably in the available space. Right now, it feels very full as a flat piece, and I'm concerned that it may be a bit too large for the space.The element that is least successful right now is the scale, I think you can show this idea in a more unexpected way. The silhouette is fighting with the pictograms, and the size is a bit large.Perhaps color will help resolve this.
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