Green money comes from patient, equity-oriented investors including both private, institutional and even public investors. It is green because it allows companies to grow and prosper without being impeded by repayment obligations.
Yellow money is as good as gold.
Usually this money comes in the form of grants, interest-free loans, and other forms of assistance. Red money comes from debt-oriented lenders. This includes banks, factoring houses, leasing companies, and other lenders. Links to other information sites are at the end in black. As you can appreciate, many investors don't want a lot of publicity.