Geremia Taglialatela d44e64e496 Exclude colors that do not pass WCAG 2.0 AA level (#70) ... Green and Yellow are too light and impact on user’s ability to read the Captcha. Deep Purple and Pink are better choices Ref: https://www.w3.org/TR/WCAG/#contrast-minimum		2018-12-14 13:19:53 +08:00
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rucaptcha	Exclude colors that do not pass WCAG 2.0 AA level (#70)	2018-12-14 13:19:53 +08:00