update yad-tools man page

data/yad-tools.1

@@ -23,6 +23,9 @@ Additional argument is font name.
 This mode is intended to get full path to icon file from icon name.
 Additional argument is icon name.
 .TP
+\fB\-c\fR, \fB\-\-color\fR
+This mode is intended for works with colors.
+.TP
 .B \-\-show-langs
 Show list of available languages for spell checking. Works only if yad built with \fIGSpell\fP support.
 .TP
@@ -50,3 +53,8 @@ Get generic icon name for specified mime type.
 .TP
 \fB\-\-theme\fR=\fITHEME\fP
 Use specified icon theme instead of default.
+
+.SS Color mode options
+.TP
+\fB\-\-pick\fP
+Pick up screen color.