#8A504C
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
0.117
Hue H
4°
Saturation S
29%
Lightness L
42%
Value V
54%
Temperature
Warm
Brightness
Dark
Chroma
Muted
Hue family
Red
Contrast on white: 6.30:1 (AA body Pass / AAA Fail)
Contrast on black: 3.33:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#8a504c
Protanopia
#71704d
Deuteranopia
#74794d
Tritanopia
#874e4e
Achromatopsia
#616161
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.