Re: [csswg-drafts] [css-fonts] Why is there no font-weight `light`? (#4048)

[Pedro Mascarenhas](https://typography.guru/journal/should-we-standardize-the-naming-of-font-weights-r80/), for [TyMS](https://pedromascarenhas.wixsite.com/tyms), suggested the following mappings in 2021, based on the ratio of primary stem thickness to cap height:

| [TyMS Keyword](https://typography.guru/uploads/monthly_2021_03/Image-05.gif.5f1a8cb74c17dfbbb0f2c5567377c092.gif) | [CSS4](https://drafts.csswg.org/css-fonts-4/#font-weight-absolute-values) | Numeric `<font-weight>` |
| --- | --- | --- |
| `micro-line` | | 50 |
| `hair-line` | _thin_ | 100 |
| `thin` | | 150 |
| `ultra-light` | _extra/ultra light_ | 200 |
| **`extra-light`** | | 250 |
| **`light`** | _light_ | 300 |
| `semi-light` | | 350 |
| `regular` | `normal` | 400 |
| `book` | | 450 |
| **`medium`** | _medium_ | 500 |
| — | | 550 |
| **`demi-bold`** | _semi/demi bold_ | 600 |
| `semi-bold` | | 650 |
| **`bold`** | `bold` | 700 |
| `heavy` | | 750 |
| **`extra-bold`** | _extra/ultra bold_ | 800 |
| `ultra-bold` | | 850 |
| `black` | _black / heavy_ | 900 |
| `extra-black` | | 950 |
| `ultra-black` | | 1000 |


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Received on Tuesday, 19 September 2023 13:55:30 UTC