Assertion: root's access | /r/CapableOf | return grayscale values
Facets:
value: in grayscale mode
type: TEMPORAL
value: according to itu standards
type: OTHER
Source sentences:
text: Note that in grayscale mode, access via RGB will return grayscale values according to ITU standards (and close to b&w printer gray-scales), while access via HLS returns de-saturated gray-scales.