#E64500
Approximate name: Orange Red
Technical formats
Color-space values for scientific work and cross-device comparison.
Practical formats
Ready to paste into CSS, Tailwind, iOS, Android, Flutter, and more.
Color analysis
Objective metrics: luminance, hue, saturation, temperature, and contrast.
Nearest name
OrangeRed
Relative luminance
0.211
Hue H
18°
Saturation S
100%
Lightness L
45%
Value V
90%
Temperature
Warm
Brightness
Dark
Chroma
Vivid
Hue family
Orange
Contrast on white: 4.03:1 (AA body Fail / AAA Fail)
Contrast on black: 5.22:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#e64500
Protanopia
#a09f11
Deuteranopia
#aab615
Tritanopia
#de1e21
Achromatopsia
#6d6d6d
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.