A plant exposed to light with a wavelength of about 430 nm will produce sugars more quickly than a plant of the same size and species exposed to equally bright light with a wavelength of about 550 nm.
This is because light in the blue region (around 430 nm) is more effective for photosynthesis compared to light in the green region (around 550 nm). Chlorophyll, the pigment used by plants to capture light for photosynthesis, absorbs blue and red light more efficiently than green light. Therefore, with more effective light absorption at 430 nm, the plant will produce sugars more rapidly through the process of photosynthesis.
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