Biohazard Warning Sign — Yellow

1280 × 1024

Radioactive Warning Symbol — Yellow Background

1440 × 900

Radioactive Warning Symbol — Yellow, Illustration, Yellow Background, Black Symbol, Text

1680 × 1050

Warning Sign with People — Yellow

1440 × 900

Warning Sign with Figures

2844 × 1600

Yellow Caution Sign

1206 × 777

Radioactive Warning Symbol — Yellow, Dramatic

1152 × 864

Radioactive Symbol — Yellow

1440 × 900

Vertical Striped Pattern — Brown, Neutral

1219 × 796

vertical striped pattern

2560 × 1600

purple and green striped pattern

1680 × 1050

diagonal striped pattern

3200 × 2400