Related Clues:

• Red, green or amber signal
• Word on lo-cal drink cans
• Description for fewer calories
• Word on a dieter's food package
• See 126 Across
• Lo-cal, on some labels
• Like pastel colors
• Diet, in ads
• Club/dance band Deee-___
• Diet-ready
• Subject of optics
• Unimportant predicament? Not at first
• Fair and easy
• Like a feather
• Low fat label