Broken Glass Cake

INGREDIENTS

• 1 (3 ounce) package lime flavored Jell-O® mix
• 1 (3 ounce) package orange flavored Jell-O® mix
• 1 (3 ounce) package strawberry flavored Jell-O®
• 3 cups boiling water, divided
• 3 cups cold water, divided
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• 1 cup canned pineapple juice
• 1 (.25 ounce) package unflavored gelatin
• 2 1/2 cups graham cracker crumbs
• 1/2 cup butter, melted
• 1/2 cup brown sugar
• 2 cups chilled heavy cream
• 1/2 cup white sugar
• 1 teaspoon vanilla extract