SetColor("khaki"
);
A named color can also be modified by adding a adjustment factor. An
adjustment factor, 0 < f < 1, a smaller value will give a darker
version and a value of 0 or 1 will return the original color. A value >
1 will make the color brighter. A few examples
SetColor("khaki:0.5"
); // A darker version of "khaki"
SetColor
("yellow:1.2"
); // A slightly lighter version of
"yellow"
SetColor(array(65
,100,176));
SetColor("#A16BFF"
);
For example to specify a red color which is 40% transparent you
write
SetColor("red@0.4"
);
or to specify 90% transperancy you write
SetColor("red@0.9"
);
Below is an example of how a bar graph with a background image can make use of transperancy
Theme 2: Pastel
Theme 3: Water
Theme 4: Sand