Search for "high CRI LEDs". This should turn up LED module vendors which usually have the data sheets which should include a LED spectrum. The warmer the LED te

Search for "high CRI LEDs". This should turn up LED module vendors which usually have the data sheets which should include a LED spectrum. The warmer the LED temperature is, the smaller the blue peak. For example here: https://www.led1.de/shop/files/Datenblaetter/Osram-OS/Oslon/GW_CSSRM1_BM_-_OSLON_SQUARE_CRI_95__EnglishDeutsch_.pdf https://www.led1.de/shop/files/Datenblaetter/Osram-OS/Oslon/... or here https://lumstatic.com/9p/Vt/uRNvyjbnQnfzzgO6rg.pdf https://lumstatic.com/9p/Vt/uRNvyjbnQnfzzgO6rg.pdf.