update.

section6/Figures/memory-and-retrieval.tex

@@ -31,7 +31,7 @@
     },
     retrievedmem/.style={
       memitem,
-      fill=blue!20,
+      fill=blue!10,
       draw=blue!55
     },
     newmem/.style={
@@ -41,7 +41,7 @@
     },
     usedmem/.style={
       smallmsg,
-      fill=blue!20,
+      fill=blue!10,
       draw=blue!55
     },
     opseg/.style={