Detectable Design

What to wear to stay visible in Downtown San Francisco during the day

During the day in Downtown San Francisco, pick clothing colors that stay easy to spot against the local street background.

Best common colors
WhiteRedOrange
Hardest common colors to see
Dark GrayOliveGreen

If you own high-vis gear

High-vis gear still performs best overall here. If you own it, start with the top options below.

Safety Red Fluorescent Yellow

Only have dark clothing?

  • Add reflective details at ankles, wrists, or other moving points.
  • Add a lighter outer layer if you have one.
  • Use lights as well if you are biking or moving near traffic in low light.

How common colors compare

Relative to average high-vis

Higher percentages mean the color gets closer to the average high-vis score in local street scenes under these conditions.

1
White best overall
relative to average high-vis 93%
0.44 avg score
2
Red strong fallback
relative to average high-vis 86%
0.41 avg score
3
Orange
relative to average high-vis 84%
0.40 avg score
4
Yellow
relative to average high-vis 83%
0.40 avg score
5
Light Gray
relative to average high-vis 79%
0.38 avg score
6
Pink
relative to average high-vis 79%
0.38 avg score
7
Beige
relative to average high-vis 75%
0.36 avg score
8
Black
relative to average high-vis 69%
0.33 avg score
9
Light Blue
relative to average high-vis 67%
0.32 avg score
10
Blue
relative to average high-vis 65%
0.31 avg score

Rows are ordered by how close each common color gets to the average high-vis benchmark in these conditions.

Local backdrop

Local backdrop elements

Glass / blue surfaces
50% of photos
Signs / painted accents
28% of photos
Brick / warm surfaces
17% of photos

Why this works

In Downtown San Francisco daytime conditions, white comes closest to high-visibility performance from a normal closet, while safety red and fluorescent yellow still lead the true high-visibility benchmark.

Check local visibility

Action

  • Start with one high-contrast top layer that reads clearly against the local street palette.
  • Keep reflective details on motion points if your route continues into shade, dusk, or traffic-heavy areas.
  • If you are biking, avoid relying on clothing color alone when the route includes tunnels, tree cover, or sunset transitions.

If you are choosing from regular clothing, start with white and add reflective details at moving points. It lands at about 93% of the average high-vis score here.

If you are packing one option for Downtown San Francisco daytime conditions, make it white if that is what you already own. If you have high-vis gear, safety red still performs best overall.

Data confidence: medium

Examples

Images from the local dataset to show the local background.

Street-level daytime example from Downtown Sf, cropped to the local street backdrop.
Street-level daytime example from Downtown Sf, cropped to the local street backdrop.
Street-level daytime example from Downtown Sf, cropped to the local street backdrop.

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If your route, trip, or hometown needs coverage, send a request. That helps decide where to collect more imagery next.

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Disclaimer

This guidance is based on local street-scene analysis and general visibility principles. It is not a prediction of crash risk or a guarantee of safety.

See the scoring methodology