Validates if color combination meets WCAG 2.1 Level AA contrast requirements.
Usage
check_wcag_contrast(foreground, background, large_text = FALSE)
Arguments
- foreground
Foreground color (hex format)
- background
Background color (hex format)
- large_text
Logical, TRUE if text is large (18pt+ or 14pt+ bold)
Value
Logical TRUE if compliant, FALSE if not
Examples
if (FALSE) { # \dontrun{
check_wcag_contrast("#111827", "#ffffff") # TRUE (16:1 ratio)
check_wcag_contrast("#6b7280", "#4a5568") # FALSE (2.8:1 ratio)
} # }
