White Symbol on Black — Minimalist

1280 × 768

Rainbow Peace Symbol — Red

1786 × 1232

White Symbol on Black — Mysterious

1920 × 1080

Olympic Rings Symbol — Black

1800 × 1080

Red Plus Sign

1280 × 1024

Red Arrows on Black

1024 × 600

Biohazard Symbol — Black, Ominous

960 × 800

Female Gender Symbol

1366 × 768

Red Outline Symbol

3900 × 3859

Ghost in Red Circle — Black

1280 × 800

Two Green Hearts — Elegant

7000 × 4500

Interlocking Red Hearts

1280 × 1024