shadcn.io is an independent project built on shadcn/ui

Free

Marimekko chart

Market size and mix in one chart, each column as wide as its total and split into its parts. Hovering a segment lights that series in every column.

TanStack Charts

PreviewCode

Installation

The command adds the example above to components/charts/ and, the first time, the chart kit to components/ui/charts/. Both are source files in your project from then on: read them, change them, delete what you don't use.

Free with an account. It carries your token, so the CLI installs everything in one go.

Google GitHub

Use email insteadNo credit card

Usage

Give each row a column name under xDataKey and a number per series. Each MarimekkoSegment reads one series by its dataKey, and the chart works out the widths and shares.

<script lang="ts">
import {
  ChartTooltip,
  MarimekkoChart,
  MarimekkoLabels,
  MarimekkoSegment,
  XAxis,
} from "@/components/ui/charts";

const data = [
  { region: "Americas", salesLed: 520, selfServe: 340 },
  { region: "Europe", salesLed: 310, selfServe: 280 },
  { region: "Asia Pacific", salesLed: 150, selfServe: 190 },
];

const formatThousands = (value: number) => `$${value}k`;
</script>

<MarimekkoChart
  ariaLabel="Revenue by region and channel"
  {data}
  formatValue={formatThousands}
  xDataKey="region"
>
  <MarimekkoSegment dataKey="selfServe" label="Self-serve" />
  <MarimekkoSegment dataKey="salesLed" label="Sales-led" />
  <MarimekkoLabels />
  <XAxis />
  <ChartTooltip />
</MarimekkoChart>

Anatomy

Segments stack in the order you write them, the first at the bottom. Grid, XAxis and YAxis are the same guides the line and bar charts use.

<MarimekkoChart {data} xDataKey="region">
  <Grid horizontal />
  <MarimekkoSegment dataKey="selfServe" label="Self-serve" />
  <MarimekkoSegment dataKey="salesLed" label="Sales-led" />
  <MarimekkoLabels showValues />
  <XAxis />
  <YAxis />
  <ChartTooltip />
</MarimekkoChart>

MarimekkoChart: Sizes each column by its total and stacks its segments to 100%.
MarimekkoSegment: One series, read from dataKey, with its label and fill.
MarimekkoLabels: Each segment's share of its column, inside it where it fits.
Grid: Guide lines at every 25%.
XAxis: Each column's name and its share of the total.
YAxis: The 0 to 100% scale.
ChartTooltip: The hovered column's breakdown, the hovered series marked.

Labels and axes

MarimekkoLabels writes each segment's share of its column inside it, once the segment is at least 34 by 22 px. showValues adds the value below the share where there's room for a second line.

XAxis names each column with its share of the total underneath, and drops a name that doesn't fit its column. YAxis marks 0 to 100%.

With a legend

onHoverChange reports the hovered segment's series index. Pass it to a ChartLegend listing the series in the same order, and wrap both in ChartLegendHoverProvider: hovering a device in either one lights it in every country.

PreviewCode

Customization

The kit is in your project, in components/ui/charts/: your framework's components over a shared core/. Change a default there and every chart picks it up.

class goes on the chart's container, so size and spacing are utility classes.

content on ChartTooltip gets the hovered segment as point: its column and series, its value and share of the column, and the column's columnShare of the whole.

A segment's fill is drawn as a lighter tint with a firmer outline in the same color. gap (2 px) separates columns and segments, and radius (4 px) rounds them.

<ChartTooltip>
  {#snippet content({ point })}
    <TooltipBox>
      <div class="grid gap-1 px-3 py-2 text-sm">
        <span class="font-medium">
          {String(point.column)}, {String(point.series)}
        </span>
        <span class="text-muted-foreground">
          {Math.round(Number(point.share) * 100)}% of the region
        </span>
      </div>
    </TooltipBox>
  {/snippet}
</ChartTooltip>

Where a part renders content of its own, you pass it in. In Svelte:

ChartTooltip: {#snippet content({ point, index })}

Loading state

With status="loading" the chart draws muted columns of stacked segments, one column per row of data and one segment per series, and ignores the pointer. On "ready" the real segments grow in.

With nothing to pass yet, render <MarimekkoChartLoading /> in the chart's place.

PreviewCode

Animation

Each column's segments grow up from its base on a spring, one column after another. animate={false} skips the entrance, and so does reduced motion.

Theming

Every color in the kit is one of your theme's tokens or a mix of them, except --chart-positive, a fixed green. A preset or the .dark class restyles the chart, and overriding a token in your CSS changes it everywhere.

A segment without fill takes --chart-1, --chart-2 and so on by its position. The grid is dashed in --chart-grid.

Token	Default	Paints
`--chart-1`	your theme's	the first series
`--chart-2`	your theme's	the second series
`--chart-3`	your theme's	the third series
`--chart-grid`	`--border`	grid lines
`--chart-label`	`--muted-foreground`	tick labels
`--chart-tooltip-foreground`	`--popover-foreground`	the tooltip's values
`--chart-tooltip-background`	`--popover`	the tooltip panel

globals.css

:root {
  --chart-grid: var(--muted);
  --chart-label: var(--foreground);
}

Accessibility

The chart is an image named by ariaLabel ("Marimekko chart" by default). Both dimensions are shares, so put the headline numbers in ariaDescription.

The keyboard walks each column from its bottom segment up, then on to the next column. With a ChartTooltip, every stop shows the whole column's breakdown.

Tab: Moves focus to the chart.
Arrow Right: Moves to the next segment. ArrowDown does the same.
Arrow Left: Moves to the previous segment. ArrowUp does the same.
Home: Jumps to the first segment.
End: Jumps to the last segment.

API reference

Svelte takes the same props as React, with class for className. Render props are snippets, listed below by their names. Keep data in $state.raw so the chart sees each new array.

MarimekkoChart

PropType

datareadonly Record<string, unknown>[]

One row per column: its xDataKey names it, each MarimekkoSegment's dataKey is a value.

Type: readonly Record<string, unknown>[]

xDataKeystring

The key of each row's column name.

gap?number

Gap between columns and between segments, in px.

Default: 2

radius?number

Corner radius of the segments, in px.

Default: 4

formatValue?(value: number) => string

Formats a value in the tooltip and labels.

Type: (value: number) => string

onHoverChange?(index: number | null) => void

Called with the hovered segment's series index, and null when the pointer leaves (pair it with a ChartLegend).

Type: (index: number | null) => void

aspectRatio?string | number

Width over height: a number or a string such as "16 / 9".

Type: string | number
Default: "16 / 9"

height?number

A fixed height in px instead of an aspect ratio.

animate?boolean

Play the entrance: each column's segments grow up from its base, column by column.

Default: true

status?ChartStatus

"loading" draws a shimmering skeleton (muted columns of stacked segments) in place of the chart and ignores the pointer; switching to "ready" plays the entrance. Switching back to "loading" fades the chart out first.

Default: "ready"

loadingLabel?string

Text shown centered over the plot, with a shimmer, while status is "loading". Nothing is shown when it is unset or empty.

ariaLabel?string

ariaDescription?string

class?string

Extra class name for the chart's root element.

style?CSSProperties

Inline style for the chart's root element.

children?ReactNode

Carriers: ChartTooltip and the family's own.

MarimekkoSegment

PropType

dataKeystring

The key of its value in each row.

label?string

Its name in the tooltip and legend. Defaults to the dataKey.

fill?string

Its colour. Defaults to the palette's, by position.

MarimekkoLabels

PropType

showValues?boolean

Show the segment's value under its share.

Default: false

Grid

PropType

horizontal?boolean

Show horizontal grid lines.

Default: true

vertical?boolean

Show vertical grid lines.

Default: false

numTicksRows?number

Number of horizontal grid lines. Ignored when rowTickValues is set.

Default: 5

numTicksColumns?number

Number of vertical grid lines.

Default: 10

rowTickValues?number[]

Explicit y values for the horizontal grid lines. Overrides numTicksRows.

stroke?string

Color of the grid lines.

Default: "var(--chart-grid)"

loadingStroke?string

Grid color while the chart is loading. Falls back to stroke.

strokeOpacity?number

Opacity of the grid lines.

Default: 1

strokeWidth?number

Width of the grid lines in px.

Default: 1

strokeDasharray?string

Dash pattern of the grid lines.

Default: "4,4"

highlightRowValues?number[]

Y values of horizontal lines drawn with the highlight styling, for example a zero baseline.

highlightRowStroke?string

Color of the highlighted rows.

Default: "var(--chart-foreground-muted)"

highlightRowStrokeOpacity?number

Opacity of the highlighted rows.

Default: 1

highlightRowStrokeWidth?number

Width of the highlighted rows in px.

Default: 1

highlightRowStrokeDasharray?string

Dash pattern of the highlighted rows.

Default: "0"

fadeHorizontal?boolean

Fade the horizontal lines toward transparent at the left and right edges.

Default: true

fadeVertical?boolean

Fade the vertical lines toward transparent at the top and bottom edges.

Default: false

hideHorizontalEdgeLines?boolean

Drop the first and last horizontal line (kept when two or fewer remain).

Default: false

hideVerticalEdgeLines?boolean

Drop the first and last vertical line (kept when two or fewer remain).

Default: false

shimmer?boolean

While the chart is loading, sweep a bright band across the grid.

Default: false

shimmerStroke?string

Color of the shimmer band.

Default: "color-mix(in oklch, var(--bkm-foreground) 68%, transparent)"

shimmerSpeed?number

Speed multiplier of the shimmer sweep. 2 is twice as fast.

Default: 1

XAxis

PropType

numTicks?number | ResponsiveChartLabelCount

Target number of tick labels along the x axis, or one per chart width: { base, sm, md, lg, xl } takes the count of the widest breakpoint the chart reaches (640, 768, 1024 and 1280 px).

Type: number | ResponsiveChartLabelCount
Default: 5

labels?readonly string[]

The tick text of each data row, in row order: it replaces the date formatting (pair it with ChartTooltip dateLabels).

tickerHalfWidth?number

Half-width in px of the zone around the date pill inside which tick labels are hidden. Line, area and composed charts widen it to the pill's half-width plus the widest tick label's, so no label sits half under the pill.

Default: 50

tickMode?"domain" | "data"

Where ticks fall: "data" places them on evenly spaced data rows, "domain" places them at evenly spaced time values across the x domain.

Type: "domain" | "data"
Default: "data"

formatValue?(value: Readonly<Date>) => string

Formats a tick date into its label. Defaults to a short month and day such as "Jan 5".

Type: (value: Readonly<Date>) => string

YAxis

PropType

yAxisId?string | number

Id of the y scale this axis labels. Must match the yAxisId of the series that use it.

Type: string | number
Default: "left"

orientation?"left" | "right"

Side of the plot the axis sits on. The primary axis is on the left; additional axes default to the right.

Type: "left" | "right"
Default: "left"

numTicks?number

Target number of tick labels. The primary axis also sets the number of horizontal grid lines.

Default: 5

formatLargeNumbers?boolean

Abbreviate values of 1000 and above as thousands, with one decimal where needed, for example 2k or 1.5k.

Default: true

formatValue?(value: number) => string

Formats a tick value into its label. Overrides formatLargeNumbers.

Type: (value: number) => string

ChartTooltip

PropType

showDatePill?boolean

Show the date pill that rides along the bottom of the plot.

Default: true

showCrosshair?boolean

Show the vertical crosshair line. Bar charts leave it off unless this is true (the dots and the category pill mark the bar).

Default: true

showDots?boolean

Show a dot on every series at the hovered position.

Default: true

dotVariant?"dot" | "ring"

Dot style: a filled "dot" or a transparent "ring" square. Read by BarChart only.

Type: "dot" | "ring"
Default: "dot"

dotSize?number

Dot radius in px.

Default: 5

dotRadiusFraction?number

Corner radius of the "ring" variant as a fraction of its side (0 is square, 0.5 is a circle). Read by BarChart only.

Default: 0.25

dotScale?number

Multiplier applied to the dot or ring size. Read by BarChart and LiveLineChart.

Default: 1

dotStrokeWidth?number

Stroke width of the dots in px.

Default: 2

indicatorColor?string | ((point: Record<string, unknown>) => string)

Color of the crosshair. Only a string is applied; the function form that bklit-ui accepts is ignored and the default is used.

Type: string | ((point: Record<string, unknown>) => string)
Default: "var(--chart-crosshair)"

content?Snippet<[{ point, index }]>

Replaces the default tooltip panel body. Receives the hovered data row and its index; with pinnable, also whether the panel is pinned and a dismiss that unpins it (for a close button in a pinned panel's detail).

Type: Snippet<[{ point, index }]>

pinnable?boolean

A click (or Enter, or Space) on the chart pins the tooltip where it is: the panel takes the pointer, so its content can grow into detail and hold controls, until another click, Escape or dismiss lets it go.

Default: false

rows?(point: Record<string, unknown>) => { readonly color: string; readonly label: string; readonly value: string | number }[]

Replaces the default rows (one per series) with your own list of { color, label, value }.

Type: (point: Record<string, unknown>) => { readonly color: string; readonly label: string; readonly value: string | number }[]

dotColor?string | ((point: Record<string, unknown>, line: ChartLineConfig) => string)

Fill of the tooltip dots. A function receives the hovered row and the series config, and is called again each time the hovered row changes. Defaults to each series' color; a ProfitLossLine's dot takes the color of the hovered value's sign.

Type: string | ((point: Record<string, unknown>, line: ChartLineConfig) => string)

children?Snippet

Extra content rendered below the rows in the default panel, for example marker details. Without it, a chart with ChartMarkers lists the markers on the hovered date there.

class?string

Extra class name for the tooltip panel.

springConfig?SpringConfig

Spring for the floating panel when matchCrosshair is on. Defaults to the chart's tooltip spring.

matchCrosshair?boolean

Make the floating panel follow the pointer with the same spring as the crosshair instead of damping.

Default: false

damping?number

Spring damping for the floating panel when matchCrosshair is off, on bklit's 0 to 100 scale: lower is bouncier, higher slower, 0 moves the panel instantly. The default, 20, is the snappy hover spring (stiffness 3600, damping 120); every other value is bklit's spring for it played six times faster.

Default: 20

indicatorDasharray?string

Dash pattern of the crosshair. Omit for a solid line.

indicatorFadeEdges?IndicatorFadeEdges

Vertical fade of the crosshair: both ends, the top, the bottom, or none (solid).

Default: "both"

indicatorFadeLength?number

Size of the crosshair's fade, as a percentage of its height (2 to 40).

Default: 10

indicatorEndColor?string

Bottom colour of the crosshair: it ramps from indicatorColor at the top to this at the bottom (composes with the fade).

indicatorEnd?"plot" | "point"

How far down the crosshair reaches: the whole plot, or down to the hovered point of the first series.

Type: "plot" | "point"
Default: "plot"

dotHaloBlur?number

Blur in px on the dots' halo, for a soft glow.

Default: 0

topOffset?number

Extra gap in px between the top of the plot and the tooltip panel.

Default: 0

dateLabels?readonly string[]

The date pill's text for each data row, in row order (pair it with XAxis labels).

boxSpringConfig?SpringConfig

Spring for the floating panel. Takes priority over matchCrosshair and damping.

indicatorWidth?IndicatorWidth

Thickness of the crosshair: a width in px, or "line" (1px), "thin" (2px), "medium" (4px) or "thick" (8px).

Default: "line"

MarimekkoChartLoading

PropType

aspectRatio?string | number

Width over height: a number or a string such as "2 / 1". Defaults to the chart's own.

Type: string | number

height?number

A fixed height in px instead of an aspect ratio.

label?string

Text shown centered over the skeleton, with a shimmer. Nothing is shown when it is unset or empty.

class?string

Extra CSS class name for the placeholder's root element.

Default: ""

Examples

3 examples on Svelte, each live with its code and its own install command.

All 3 marimekko chart examples

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Preview

Installation

Usage

Anatomy

Labels and axes

With a legend

Customization

Loading state

Animation

Theming

Accessibility

API reference

MarimekkoChart

MarimekkoSegment

MarimekkoLabels

Grid

XAxis

YAxis

ChartTooltip

MarimekkoChartLoading

Examples