#FF9E1B
Approximate name: Orange
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
Orange
Relative luminance
0.458
Hue H
34°
Saturation S
100%
Lightness L
55%
Value V
100%
Temperature
Warm
Brightness
Medium
Chroma
Vivid
Hue family
Orange
Contrast on white: 2.07:1 (AA body Fail / AAA Fail)
Contrast on black: 10.16:1 (AA body Pass / AAA Pass)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#ff9e1b
Protanopia
#d5d43b
Deuteranopia
#dbe242
Tritanopia
#fa5459
Achromatopsia
#acacac
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.