The invention provides a light generating system (1000) comprising one or more first light generating devices (110), one or more second light generating devices (120), and one or more third light generating devices (130), wherein: —the one or more first light generating devices (110) are configured to generate white first device light (111) having a first color rendering index CRI1 and a first correlated color temperature Tc1; —the one or more second light generating devices (120) are configured to generate white second device light (121) having a second color rendering index CRI2 and a second correlated color temperature Tc2; —the one or more third light generating devices (130) are configured to generate third device light (131) having a third dominant wavelength λd3 selected from the range of 470-500 nm; —CRI1−CRI2≥10; CRI1≥85; Tc2−Tc1≥1000K; Tc1≤3500K; and Tc2≥3000K; and—the light generating system (1000) is configured to generate system light (1001) comprising one or more of the first device light (111), the second device light (121), and the third device light (131).