<img width="136" alt="Screenshot 2019-09-20 at 10 31 05" src="https://user-images.githubusercontent.com/1402241/65297380-c9916280-db91-11e9-8d03-5125cf9f4437.png">

Like this?

/* demo */
span[aria-label="Open draft pull request"] {
    background: #e8e8e8;
    width: 1.6em;
    display: inline-flex;
    height: 1.6em;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: -1em;
    margin-left: -0.4em;
    margin-right: -0.2em;
}
span[aria-label="Open draft pull request"] svg {
    color: white !important;
}

Yeah, something like that would be great:)

I would make the actual icon slightly darker gray than white, as now, the icon it almost not visible.

Do you mean the regular icon but darker? Or my circle + dark gray icon instead of white?

I'd do the circle darker gray. It seems from the screenshots that the circle is lighter than the original icon?

This should be an easy CSS-only solution. PR and design suggestion/mockups welcome

I've made the badge color a little darker.

I’m not sure I like it this dark. I preferred it to be less visible, not more

I agree. WIP-PR's feel more visible and stressed than a normal, ready for review or waiting for merge PR now.

I name this feature emphasize-draft-pr-label , aimed at making that label stand out. Felt that level of gray - IMHO the color 'gray' itself says "Oh oh don't pay too much attention to me"- is fine to me. But yes, reviews and PRs are welcome.

I name this feature emphasize-draft-pr-label , aimed at making that label stand out

I don't think draft PRs should stand out, but the opposite, like you said next:

the color 'gray' itself says "Oh oh don't pay too much attention to me"

The gray does that, but the size doesn't; the visual weight is higher.

I'd go as far as dimming the whole line instead.

Regular

<img width="658" alt="gray icon" src="https://user-images.githubusercontent.com/1402241/69934475-93168300-1504-11ea-900c-a20b193a514d.png">

Now

<img width="660" alt="gray background" src="https://user-images.githubusercontent.com/1402241/69934480-9742a080-1504-11ea-979d-dcfe91d60308.png">

Suggested

Opacity 0.7

<img width="665" alt="dimmed line" src="https://user-images.githubusercontent.com/1402241/69934487-9c075480-1504-11ea-8f7e-5fd38c4f6593.png">

Check out this PR https://github.com/sindresorhus/refined-github/pull/2742