| Organisation | Flag | Primary colours | Secondary colours | Primary | Secondary | Further information |
| African Union | | Green and gold | | | | Flag of the African Union |
| Arab League | | Green | Red, black and white | | | Flag of the Arab League, Pan-Arab colours |
| Association of Southeast Asian Nations | | Blue, red and yellow | Brown | | | Flag of the Association of Southeast Asian Nations |
| Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation | | Green and yellow | Blue and white | | | |
| Caribbean Community | | Sky blue, dark blue and yellow | Maroon | | | Maroon is the colour of the West Indies cricket team. Although they are not an officially part of CARICOM, most members of the community are members of the Cricket West Indies. CARICOM sees the organisation as an associated institute of Community. |
| Community of Portuguese Language Countries | | Blue and white | | | | Flag of the Community of Portuguese Language Countries |
| Eurasian Economic Union | | White | Blue and gold | | | Flag of the Eurasian Economic Union |
| European Union | European Unioncolour box|#003399|border=silvercolour box|#FFCC00|border=silvercolour box|white||border=silvercolour box|#004e90||border=silvercolour box|#00875d||border=silvercolour box|#012169|border=silvercolour box|#006eb6|border=silvercolour box|white|border=silvercolour box|white|border=silvercolour box|#126a56|border=silvercolour box|#040504|border=silvercolour box|#ce1126|border=silvercolour box|#00B4CB|border=silvercolour box|#c6a12f|border=silvercolour box|white|border=silverExamples of use of these colours
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