HLS

HLS has a number of meanings:

• Harvard Law School
• High-level synthesis
• Historisches Lexikon der Schweiz, a Swiss encyclopedia.
• Hue, Saturation, Lightness color space (can be referred to as either HLS or HSL)
• Huntingdon Life Sciences, a contract animal-testing company based in Huntingdon, England, and New Jersey.
• Highlands Latin School, a Classical Christian School in Louisville, Kentucky
• HTTP Live Streaming, a multimedia streaming technology
• Hectolitres