...easier* for a red-green color-blind person to read than one which had red and green (and maybe even purple and orange) slices of similar "darkness". There are many kinds of color-blindness, but none that I know of cause the viewer...
http://blogs.gotdotnet.com/oldnewthing/archive/2008/09/16/8953255.aspx
...celery sticks Canned peach slices Low fat Milk (skim or 1%) Black beans Rice Tomatoes or salsa Spinach salad Orangeslices Low fat Milk (skim or 1%) Meat loaf Noodles Broccoli Dark Green Leafy Salad Orange or Tomato juice Chocolate...
http://www.uwex.edu/ces/wnep/teach/mff/mffles07.pdf