Colors: get

import com.google.api.services.calendar.Calendar;
import com.google.api.services.calendar.model.Colors;
import com.google.api.services.calendar.model.ColorDefinition;

import java.util.Map;
// ...

// Initialize Calendar service with valid OAuth credentials
Calendar service = new Calendar.Builder(httpTransport, jsonFactory, credentials)
    .setApplicationName("applicationName").build();

// Retrieve color definitions for calendars and events
Colors colors = service.colors().get().execute();

// Print available calendar list entry colors
for (Map.Entry<String, ColorDefinition> color : colors.getCalendar().entrySet()) {
  System.out.println("ColorId : " + color.getKey());
  System.out.println("  Background: " + color.getValue().getBackground());
  System.out.println("  Foreground: " + color.getValue().getForeground());
}

// Print available event colors
for (Map.Entry<String, ColorDefinition> color : colors.getEvent().entrySet()) {
  System.out.println("ColorId : " + color.getKey());
  System.out.println("  Background: " + color.getValue().getBackground());
  System.out.println("  Foreground: " + color.getValue().getForeground());
}

colors = service.colors().get().execute()

# Print available calendarListEntry colors.
for id, color in colors['calendar'].iteritem():
  print 'colorId: %s' % id
  print '  Background: %s' % color['background']
  print '  Foreground: %s' % color['foreground']
# Print available event colors.
for id, color in colors['event'].iteritem():
  print 'colorId: %s' % id
  print '  Background: %s' % color['background']
  print '  Foreground: %s' % color['foreground']

$colors = $service->colors->get();

// Print available calendarListEntry colors.
foreach ($colors->getCalendar() as $key => $color) {
  print "colorId : {$key}\n";
  print "  Background: {$color->getBackground()}\n";
  print "  Foreground: {$color->getForeground()}\n";
}
// Print available event colors.
foreach ($colors->getEvent() as $key => $color) {
  print "colorId : {$key}\n";
  print "  Background: {$color->getBackground()}\n";
  print "  Foreground: {$color->getForeground()}\n";
}

result = client.get_color()

# Print available calendarListEntry colors.
result.calendar.keys.each do |key|
  print "colorId: #{key}\n"
  print "  Background: #{result.calendar[key].background}\n"
  print "  Foreground: #{result.calendar[key].foreground}\n"
end

# Print available event colors.
result.event.keys.each do |key|
  print "colorId: #{key}\n"
  print "  Background: #{result.event[key].background}\n"
  print "  Foreground: #{result.event[key].foreground}\n"
end

Colors colors = service.Colors.Get().Fetch();

// Print available calendarListEntry colors.
foreach (KeyValuePair<String, ColorDefinition> color in colors.Calendar) {
  System.out.println("ColorId : " + color.Key);
  System.out.println("  Background: " + color.Value.Background);
  System.out.println("  Foreground: " + color.Value.Foreground);
}
// Print available event colors.
foreach (KeyValuePair<String, ColorDefinition> color in colors.Event) {
  System.out.println("ColorId : " + color.Key);
  System.out.println("  Background: " + color.Value.Background);
  System.out.println("  Foreground: " + color.Value.Foreground);
}