#A67140
Approximate name: Sienna
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
Sienna
Relative luminance
0.203
Hue H
29°
Saturation S
44%
Lightness L
45%
Value V
65%
Temperature
Warm
Brightness
Dark
Chroma
Muted
Hue family
Orange
Contrast on white: 4.15:1 (AA body Fail / AAA Fail)
Contrast on black: 5.06:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#a67140
Protanopia
#8f8f4c
Deuteranopia
#92964f
Tritanopia
#a35557
Achromatopsia
#7b7b7b
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.