Color and temperature of the stars. Stars are formed from clouds of gas and dust that, as they contract, heat up and radiate heat and light. But not all stars are created equal. We can establish relationships between the color we see and the temperature of a star. Check it out: Stars defined with colors Red stars Have surface temperature between 3,000°C; Orange stars - On the surface, its temperature is between 4,000°C; Yellow stars - Surface temperature of more or less 6,000°C; White stars - Ar