color_get_info

color_get_info($theme)

function color_get_info($theme) {
  static $theme_info = array();

  if (isset($theme_info[$theme])) {
    return $theme_info[$theme];
  }

  $path = drupal_get_path('theme', $theme);
  $file = \Drupal::root() . '/' . $path . '/color/color.inc';
  if ($path && file_exists($file)) {
    include $file;
    // Add in default values.
    $info += array(
      // CSS files (excluding @import) to rewrite with new color scheme.
      'css' => array(),
      // Files to copy.
      'copy' => array(),
      // Gradient definitions.
      'gradients' => array(),
      // Color areas to fill (x, y, width, height).
      'fill' => array(),
      // Coordinates of all the theme slices (x, y, width, height) with their
      // filename as used in the stylesheet.
      'slices' => array(),
      // Reference color used for blending.
      'blend_target' => '#ffffff',
    );
    $theme_info[$theme] = $info;
    return $info;
  }
}