Which is shade of blue is lightest baby, powder, or sky?

I agree with science teacher when they say powder, sky is really vibrant and baby is sort of cornfloury. Anyway teaches are always right so they must be.Which is shade of blue is lightest baby, powder, or sky?
powder blue is lightestWhich is shade of blue is lightest baby, powder, or sky?
powder blue. although sky blue and baby blue are very light, they are much more saturated with color which makes them appear a bit darker.
SKY