The meaning of the Acronym HLS is...

HLS is

• Hue, Luminance, Saturation

More Meanings For HLS:

• Hue-Lightness-Saturation
• High Line Speed
• Hook, Line, and Sinker
• Hue, Luminance, Saturation
• Hospital Libraries Section
• Harvard Law School
• Hot Lesbian Sex
• Hot Looks School
• His LordShip
• Hills
• High Level Synthesis
• Huntington Locomotive Shop
• Healthcare Linen Specialists
• Huntingdon Life Sciences
• Hard Luck Story

HLS is also in:

• Adults
• Chat
• Electronics
• Firms
• Funnies
• General
• Human Genome
• Libraries
• Names and Nicknames
• Networking
• Police
• Universities
• USPS