diff --git a/bin/rainbow64 b/bin/rainbow64
new file mode 100755
index 0000000..7513c65
--- /dev/null
+++ b/bin/rainbow64
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+DEFAULT_DELAY=0.033
+DELAY=${1:-$DEFAULT_DELAY}
+
+random_chars() {
+    while true; do
+        COLS=$(tput cols)
+        head -c $COLS /dev/urandom | base64 -w 0 | cut -c1-$COLS
+        sleep $DELAY
+    done
+}
+
+random_chars | lolcat
+echo
+