Butteff's Gems

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#	Total Rank	Daily Rank	Name	Summary
1	103,534	78,466	is_dark	Detects a dark color based on luminance W3 standarts ( https://www.w3.org/TR/WCAG20/#re...
2	151,379	115,782	is_valid	Ruby Gem to make a validation of a variable or a hash, based on regular expressions o...