Soft light actually belongs to a kind of fill light, but soft light can adjust the color temperature, and the color atmosphere of the light source becomes less intense, as shown in the following figure:

Different color temperatures will have different colors. This is a soft light, which is generally mainly used as an auxiliary light. Of course, many fill lights also have the function of color temperature adjustment, which can meet different scene atmospheres on the premise of ensuring sufficient brightness. For example, Speedo, Shenniu, love figure Shi and other professional lighting brands have introduced color temperature adjustable fill light, especially Speedo has also introduced RGB full-color fill light with a color temperature range of 2000 k-10000 k.