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"Full of little nooks and crannies where they can roost, big open flight spaces, dry spaces inside, away from the rain, where they can fly around. It is really just an absolutely perfect environment."
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.