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Document fontVariationSettings for variable fonts #5210

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Document fontVariationSettings for variable fonts
evankatz14 Aug 14, 2026
fb51f0a
Enhance documentation for fontVariationSettings
evankatz14 Aug 14, 2026
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25 changes: 25 additions & 0 deletions docs/text-style-props.md
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---

### `fontVariationSettings`

Configures variation axes for a variable font. Each axis is identified by a four-character OpenType tag, such as `wght` for weight, `wdth` for width, `opsz` for optical size, or a custom axis supported by the font. Settings can be provided as an object or as a CSS-compatible string.

The object and string forms below are equivalent; both set the wght axis to 500:

```tsx
<Text

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style={{

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fontVariationSettings: {wght: 500},

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// Equivalent CSS-compatible string:

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fontVariationSettings: "'wght' 500",

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}}>

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Variable font

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</Text>

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```

For more information about variation axes and the CSS string syntax, see MDN's font-variation-settings (https://developer.mozilla.org/en-US/docs/Web/CSS/font-variation-settings) documentation.

| Type |
| -------------------------------------------- |
| string or object: `{[axis: string]: number}` |

---

### `letterSpacing`

Increase or decrease the spacing between characters. By default there is no extra letter spacing.
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