CREE's newer XP-E2 generation of colored LEDs
Secondary optics are available here
-CREE XP-E2 Series Full Specifications
SKU : XPEBGR-L1-0000-00F02
Forward Voltage (@1000mA) : 3.7V
Maximum Current : 1000mA
Peak Wavelength : 520-535nm
Minimum PPF : 1.11 Umol/S
Minimum Luminous Flux @350mA : 122lm
Viewing Angle : 135°
Dimensions (Starboard) : 20mm Diameter
