Details about Big Bubble 4 in the 'More Big Bubbles' post.

As you can see, the bubble colours are reflected from the balloons. The full image details are...

Camera model Canon EOS 350D DIGITAL
shooting date/time 31/3/2007 4:59:29pm (South Australian time)
Shooting Mode Program AE
Shutter speed 1/320
Aperture value 10.0
Metering Mode Evaluative Metering
ISO speed 800
Lens 18.0 -55.0 mm
Focal length 21.0mm
Image size 2496 x 1664
Image quality Fine
flash off
white balance mode Auto
AF mode Al Servo AF
Parameters Settings
Contrast Mid. High
Sharpness Mid. High
Colour Saturation Mid. High
Colour tone 0
Colour Space sRGB
Noise Reduction off
File size 2446KB
Drive Mode Continuous shooting
Camera Body No 1830709960