Typically, you are able to use shorthand property input for colour properties, however there is an exception for ColourSequences which do not support shorthand property inputs. You are able to input RGB, but not hex (short or long-form), while the standard Color3 supports hex.
ColourSequence:
Colour3:
Specs:
AMD Ryzen 7 7800X3D @ 4.20GHz
NVIDIA GeForce RTX 4080
32.0GB DDR5 RAM @ 5200MHz
Expected behavior
ColourSequences should accept hex input for parity with Colour3 properties.