ANSI/IES LS-5-25 | Lighting Science: Color | An American National Standard | Illuminating Engineering Society

Lighting Science: Color

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ANSI/IES LS-5-25
Document Type: Lighting Science (LS)

Available as a downloadable secure PDF only.

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SKU: ANSI/IES LS-5-25 Category: Tag:

Product Description

Intended Audience: Lighting practitioners, researchers, AE community, lighting manufacturers, educators, distributors, building managers, regulatory and energy sectors.
Intended Interest Categories: Specifier (US), Affected (UA), Public Interest (UP), Academic, Research (GAR), Government, Regulatory (GGR), General SME (GSME), Organizational (OM) Test Equip User (TEU), Test Equip Manf (TEM).
Description: This document covers the basics of color science, including color vision fundamentals and an overview of colorimetry. It also describes color terminology, color properties of light sources, and the use of color in applied lighting, which includes discussions of common color metrics.

Page count: 68 pages
Publisher: Illuminating Engineering Society (2025)
SKU: ANSI/IES LS-5-25
ISBN: 978-0-87995-496-3

Chapters:

  • 1.0 Introduction and Scope
  • 2.0 Basic Concepts
  • 3.0 Human Color Vision
  • 4.0 Colorimetry
  • 5.0 Color Appearance of White Light
  • 6.0 Color Rendition
  • 7.0 Color Measurement
  • 8.0 Light Sources
  • 9.0 Color Systems
  • 10.0 Use of Colored Light
  • 11.0 Color Standards, Specifications, and Product Labeling
  • 12.0 Color Vision Deficiencies
  • Annex A – Comparison of Methods for Evaluating Color Rendition

Illuminating Engineering Society. ANSI/IES LS-5-25, Recommended Practice: Lighting Roadway and Parking Facilities. New York: IES; 2025.