| | Product Sell:
* Blue PVC-039
Function: ink for screen-printing
Blue is a colour, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 440– 490 nm. It is considered one of the additive primary colours. On the HSV Colour Wheel, the complement of blue is yellow; that is, a colour corresponding to an equal mixture of red and green light. On a colour wheel based on traditional colour theory ( RYB) , the complementary colour to blue is considered to be orange ( based on the Munsell colour wheel) . | | |
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