Briefle words · UI design
Redundant encoding
Also called dual coding
Showing the same information in two ways at once, such as color plus shape or color plus a label.
Say it to an AI
PR checks list where status never relies on color alone: use redundant encoding with a check, cross or clock icon plus a short 'Passed/Failed/Running' label in the status color, so a red-green color vision deficiency doesn't hide the failed check.
How an expert would brief the stronger version of “Pull request checks”.
See it
Try it as a puzzle →Status checks panel on a pull request in a code hosting tool.
Why: A encodes status as color, icon shape and a 'Passed/Failed/Running' label.
More ways experts use it
Horizontal bar chart of 5xx rate per service with a dashed reference line (target line) at the 1% SLO. Flag breaches with redundant encoding: red fill plus a '▲ over SLO' text tag beside the value, so the status never depends on color as the only visual means.
Error rate by service · Data & charts
Related words
Room 4 · Color
Learn “Redundant encoding” in a five-minute lesson