Could someone please clarify the meaning of the following value? Does it indicate that the output device must support exactly 256 colors, or is it acceptable for the output device to have 256 colors or fewer, or does the device need to support 256 colors or more? I would appreciate an explanation in simple terms.
(color-index: 256)
According to the W3C documentation:
The ‘color-index’ feature in media queries represents the count of color entries in the output device's lookup table. If there is no color lookup table being used, the value will be zero.
Based on this explanation and the subsequent examples provided, it can be concluded that the value indicates the specific number of colors present in the index (if applicable).
To set a minimum requirement, you have the option to use min-color-index.
(color-index: 256) is a query that identifies devices with exactly 256 colors.
(min-color-index: 256) is used to target devices that have a minimum of 256 colors available.
It represents the number of bits associated with the color of the object being used.
As far as I know, it is accurate and you can utilize the min and max prefixes to specify ranges.
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