Laser light passes through a double-slit barrier with slit separation \(d=0.120 \mathrm{~mm}\) onto a screen a distance \(L=6.00 \mathrm{~m}\) away. The distance between the central and first-order bright fringes is \(y=27.0 \mathrm{~mm}\). What is the wavelength and color of the laser light?