HEX#58CC02
RGBrgb(88, 204, 2)
OKLCHoklch(74.8% 0.229 137.6)
Hue 138° (yellow-green), lightness 75%, chroma 0.229.
Taken from design.duolingo.com — the value is in the brand's own code, not from a third-party collection.
design.duolingo.com ↗Closest brand colors