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Its popularity as a shorthand arose from the use of the “web safe” colour palette back in the late 90s/early 2000s which exclusively used 00, 33, 66, 99, CC, an
by lstamour 8y ago
Its popularity as a shorthand arose from the use of the “web safe” colour palette back in the late 90s/early 2000s which exclusively used 00, 33, 66, 99, CC, and FF: https://en.m.wikipedia.org/wiki/Web_colors#Web-safe_colors https://en.m.wikipedia.org/wiki/Web_colors#Web-safe_colors