The invention provides a light generating device (100) configured to generate in a first control mode device light (101), wherein the light generating device (100) comprises (i) a first source (210) of first light (211), and (ii) a second source (220) of second light (221), different from the first light (211), wherein the second light (221) comprises cyan-like light having a wavelength selected from the range of 470-520 nm, wherein the device light (101) comprises the first light (211) and the second light (221), and wherein in the first control mode the first light (211) is white light and the device light (101) is white light enriched with cyan-like light.