This plugin is outdated and might not be supported anymore
matriphe colorspam

matriphe colorspam

Details
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Simple plugin to fight spam in registration form. It show color in box and user must type the name of color. The colors are red, green, blue, yellow, black, white, pink, orange, purple, grey.

Now using generated image to provide color. Bot can’t read this color name. Simple, nice and effective.

Details

Plugin code:
matriphe-spamcolor
Plugin version:
3.0
Outdated:
Yes
WP version:
3.7.0 or higher
PHP version:
or higher
Test up to WP version:
3.7.41
Total installations:
0
Last updated:
2014-02-02
Rating:
Times rated:
0
color
register
registration
spam