DISTRIBUTION OF TIZEN-BASED WATCH APPS HAS BEEN DISCONTINUED
Grayscale / Negative color
The watch supports grayscale and negative color for users with visual impairment. Design visual elements so users do not have trouble using the watch, even when grayscale or negative color features are turned on.
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Grayscale
Based on the Web Content Accessibility Guidelines (WCAG), the contrast between the background and the content should be at least 4.5:1.