Font weight

A numeric weight or a DTCG weight keyword.

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Value format

{ "$type": "fontWeight", "$value": 600 }

{ "$type": "fontWeight", "$value": "semi-bold" }

Form	Allowed
Number	An integer from 1 to 1000
Keyword	thin, hairline, extra-light, ultra-light, light, normal, regular, book, medium, semi-bold, demi-bold, bold, extra-bold, ultra-bold, black, heavy, extra-black, ultra-black

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What you can type

Type a number, or pick from the preset dropdown (100, 200, … 950). Keywords can be typed directly.

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Applying to Figma

Default target: Font weight. Text layers only.

Standalone apply is unreliable

The value is used verbatim as the Figma font style name. Figma style names are strings like Regular, Semi Bold, Bold — so:

• 600 looks for a style literally named "600" → not found
• semi-bold looks for "semi-bold" → not found (Figma calls it "Semi Bold")

In practice a standalone font-weight token only applies when its value happens to exactly match a Figma style name.

Use a typography token instead when you need the weight to land on a layer. Its applicator maps numeric weights to the nearest Figma style name — 600 → Semi Bold — and preserves italic.

Authoring, validation, export, and sync are unaffected: a fontWeight token round-trips through JSON correctly regardless.

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Weight → style name reference

This is the mapping the typography applicator uses when it resolves a weight:

Weight	Figma style
100	Thin
200	Extra Light
300	Light
400	Regular
500	Medium
600	Semi Bold
700	Bold
800	Extra Bold
900	Black

A weight in between snaps to the nearest entry.