Specifies a limited number of colours to assist trading. The test is performed by spectral reflectance measurement in accordance with CIE Publication No 38.
ISO 8654:1987 history
2019ISO 8654:2018/Amd 1:2019 Jewellery — Colours of gold alloys — Definition, range of colours and designation — Amendment 1
2018ISO 8654:2018 Jewellery - Colours of gold alloys - Definition, range of colours and designation
1987ISO 8654:1987 Colours of gold alloys; Definition, range of colours and designation