Flat Design / Vector Minimalism vs Material You

フラットデザイン / ベクターミニマリズム / Material You

Flat Design / Vector Minimalism comes from UI Expression and Material You from Google UI. They are reached for with some of the same intent, which is where they get confused.

Flat Design / Vector Minimalism

Reduces information to plain planes and color, portable across screens and media.

Material You

Material You makes adaptability itself consistent: dynamic color, generous shapes and personalized motion vary by person while semantic roles stay stable.

Flat Design / Vector MinimalismMaterial You
Era2010s–2021–
FamilyUI ExpressionGoogle UI
KindStyleStyle
CuesUniform planes / Simple shapes / Few shadows / Clear colorHarmonized colors derived from wallpaper / Large rounded cards and controls / Selection changes both color and shape / Broad spacing and large display type
Best used forLight, understandable explanation · Large sets of consistent figuresSafely reflecting a user's palette in a product · Letting one component system support varied personal appearances
TypeA rounded sans-serifKeep hierarchy in weight and scale so it survives changes of color.
CompositionSimple silhouettes and clear hierarchySet large rounded surfaces in generous space and express selection through shape, color and motion together.
MaterialThree to five colors; shadows only when they mean somethingGenerate tonal palettes from a seed, then assign them to semantic surface and content roles.
CautionFigures easily become generic. Define your own ratios, lines and color rules.Automatic color generation alone can produce unreadable interfaces. Contrast and semantic roles come first.

IndexStyle