EN ISO 24550:2019

Ergonomics - Accessible design - Indicator lights on consumer products (ISO 24550:2019)

Publication date:   Mar 16, 2020

General information

60.60 Standard published   Nov 20, 2019


CEN/TC 122 Ergonomics

European Norm

11.180.15   Aids for deaf and hearing impaired people | 13.180   Ergonomics



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This document specifies design requirements and recommendations for indicator lights, mainly LED sourced, on consumer products for use by older people and people with visual disabilities. It does not consider the needs of persons who are blind.
Indicator lights include those that inform users visually about the conditions, changes in functional status and settings, and malfunction of products. They convey information by light on/off, time-modulated intensity, blinking, colour, luminance level, and layout.
This document addresses household and home appliances. It excludes electronic displays presenting characters and graphics, machinery, and appliances in special use for professional, technical, and industrial applications.

Life cycle


EN ISO 24550:2019
60.60 Standard published
Nov 20, 2019