Standard of the President of Turkmenistan.
Modified by User:Leonid 2 using construction sheet at http://fotw.vexillum.com/flags/tm.htmlColours:

green: PANTONE 16-6240 - Island Green TC - #28AE66
yellow: PANTONE 14-0955 - Citrus TC - #FAAE29
black: PANTONE 19-4205 - Phantom TC - #383739
source: DECREE OF THE PRESIDENT OF TURKMENISTAN on August 25, 2003 № PP-3051. Regulations about the Standard of the President of Turkmenistan, clause 3 (text - http://base.spinform.ru/show_doc.fwx?Rgn=25218)
conversion to RGB on Pantone Colour Names - http://www.dspgroup.co.uk/material/ColourNamesPanton.htm
Flag_of_Turkmenistan.svg
Flag_of_Turkmenistan.svg: Various
derivative work: NikNaks talk - gallery - wikipedia