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Under certain circumstances, it’s possible to modify ordered dithering so that it can better handle colour information. This requires that we use a palette that is regularly distributed in colour space. A regular palette is composed of all possible combinations of red, green and blue tristimulus values, where each colour component is partitioned into a number of equally spaced levels. For example, 6 levels of red, green and blue totals 6³ = 216 unique colours, equivalent to the common web-safe palette.
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"We're about combating social isolation, not just providing food during this financial crisis," she added.
In an article on Monday, Sir Keir said he wanted to "crack down on the addictive elements of social media" that "keep our children hooked on their screens for hours".