Fluorophores A and B are excited at the same wavelength under identical experimental conditions. Fluorophore A has a molar extinction coefficient of 68000 M −1 cm −1 and a quantum yield of 0.77,...

Fluorophores A and B are excited at the same wavelength under identical experimental conditions. Fluorophore A has a molar extinction coefficient of 68000 M⁻¹
cm⁻¹
and a quantum yield of 0.77, whereas fluorophore B has a molar extinction coefficient of 75000 M⁻¹
cm⁻¹
and a quantum yield of 0.69. Which fluorophore has the greater brightness?