use black and gray colors, make the pattern be slow, ad a pinch of water ripple effect Subtle gradient shift

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brain Synaptic glow

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warm colors brain Pulsing glow

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use black and gray colors, make the pattern be slow, add a pinch of water ripple effect Contrast increase

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Radial Symmetry

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use black and gray colors, make the pattern be slow, ad a pinch of water ripple effect Minimalist palette

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Color cycling

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