Ring Spec/Colour

As from 2009 the  Budgerigar Society have adopted the WBO Ring Specification and Colour Sequence  for the 6-year cycle as listed below.


Minimum internal diameter 4.20mm
Maximum internal diameter 4.40mm
Wall thickness 0.60 – 0.90 mm
Ring height 3.85 – 4.00 mm

Colour Pantone Code RAL Code Year Year
Violet 249 U 4008 2009 2015
Orange 1505 U 2003 2010 2016
Dark Blue 301 U 5019 2011 2017
Red 1797 U 3002 2012 2018
Black 2U2X 8005 2013 2019
Pastel Green 344 U (closest) 6019 2014 2020