public function test_hex_to_hsv()
{
$white = array('h' => 0, 's' => 0, 'v' => 1);
$black = array('h' => 0, 's' => 0, 'v' => 0);
$red = array('h' => 0, 's' => 1, 'v' => 1);
$green = array('h' => 0.33, 's' => 1, 'v' => 1);
$blue = array('h' => 0.67, 's' => 1, 'v' => 1);
$this->assertEquals($white, Kirki_Color::hex_to_hsv('#ffffff'));
$this->assertEquals($black, Kirki_Color::hex_to_hsv('#000000'));
$this->assertEquals($red, Kirki_Color::hex_to_hsv('#ff0000'));
$this->assertEquals($green, Kirki_Color::hex_to_hsv('#00ff00'));
$this->assertEquals($blue, Kirki_Color::hex_to_hsv('#0000ff'));
}