# IFC 2x3 implementation agreements status in IFC4+

**URL:** <https://forums.buildingsmart.org/t/ifc-2x3-implementation-agreements-status-in-ifc4/2786>\
**Category:** Developers\
**Tags:** ifc2x3, ifc4\
**Created:** [June 17, 2020, 12:54pm UTC](https://forums.buildingsmart.org/t/ifc-2x3-implementation-agreements-status-in-ifc4/2786 "2020-06-17T12:54:46Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![claimred](https://avatars.discourse-cdn.com/v4/letter/c/e47c2d/32.png) [@claimred](https://forums.buildingsmart.org/u/claimred)\
**Post date:** [August 7, 2020, 11:14am UTC](https://forums.buildingsmart.org/t/ifc-2x3-implementation-agreements-status-in-ifc4/2786/14 "2020-08-07T11:14:59Z")

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Speaking of moving forward, I think it would be neat to mention current IAs about colors in the colors discussion happening right now. 🤔

> **[CV-2x3-135](https://standards.buildingsmart.org/documents/Implementation/IFC_Implementation_Agreements/CV-2x3-135.html)**
>
> buildingSMART International IFC Implementation Agreement #CV-2x3-135

> **[CV-2x3-180](https://standards.buildingsmart.org/documents/Implementation/IFC_Implementation_Agreements/CV-2x3-180.html)**
>
> buildingSMART International IFC Implementation Agreement #CV-2x3-180

> **[CV-2x3-131](https://standards.buildingsmart.org/documents/Implementation/IFC_Implementation_Agreements/CV-2x3-131.html)**
>
> buildingSMART International IFC Implementation Agreement #CV-2x3-131

> [@IFC Textures and Colors: Current Situation](https://forums.buildingsmart.org/t/1-current-situation/2862/2):
>
> I’ll start this list on all the current possibilities of assigning colours and textures. I expect it to be incomplete, so I will edit this post when others point out things I’ve missed - and ideally for each possibility, we can produce a sample file. Colours Colours can be represented using one or more of these entities, of which the viewing application decides which they choose to visualise. [IfcSurfaceStyleShading](https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/schema/ifcpresentationappearanceresource/lexical/ifcsurfacestyleshading.htm) - RGBA, as simple as it gets. Supported by most vendors. [IfcSurfaceStyleRen…](https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/link/ifcsurfacestylerendering.htm)

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