some colors not work

[JuHyung-Son]

my code.

<Avatar
                    src="/ju.png"
                    title="Count Dracula"
                    borderVariant="large"
                    color='yellowPink'
                    // style={{width: '40px', height: '40px'}}
                />

and it appears black

[otaldonuness]

Same here, anyone has a tip for solve that?