natural colours, - indigo

the last 6 months have been a revelation for me, the discovery of colours in nature, specifically blue from indigo or as the malay call it pokok tarom,how great is god, creater of the universe, from the leaves of the indigo plant, the colour blue , in various shades, can be extracted for use, why did mankind ever revert to extracting colour from chemicals?. this is another western conspiracy, we have managed to successfully grow indigo in our farm and have also successfully extracted the blue colour,the first of its kind in malaysia, by may this year, the indigo plants should be flourishing