{"L1_core": {"type": "monochromatic", "domain": "specification", "category": "led_color"}, "L3_technical": {"standards": ["SAE_J578", "ANSI_C78.376"], "led_technology": ["phosphor_converted", "InGaAlP"], "peak_wavelength_nm": 590}, "L2_specification": {"type": "led_color", "color": "amber", "applications": ["signage", "decorative", "traffic"], "wavelength_nm": "585-595"}}