#8A613F
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
0.143
Hue H
27°
Saturation S
37%
Lightness L
39%
Value V
54%
Temperature
Warm
Brightness
Dark
Chroma
Muted
Hue family
Orange
Contrast on white: 5.44:1 (AA body Pass / AAA Fail)
Contrast on black: 3.86:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#8a613f
Protanopia
#787847
Deuteranopia
#7b7e49
Tritanopia
#884e4f
Achromatopsia
#696969
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.