Red (Red) - Red (Red)

Gradient - All hues
Colorblindness - Protanomaly (Red‑weak)
Colorblindness - Protanopia (Red‑blind)
Colorblindness - Deuteranomaly (Green‑weak)
Colorblindness - Deuteranopia (Green‑blind)
Colorblindness - Tritanomaly (Blue‑weak)
Colorblindness - Tritanopia (Blue‑blind)
Colorblindness - Achromatomaly (Partial monochromacy)
Colorblindness - Achromatopsia (Complete monochromacy)