#A26029
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
0.162
Hue H
27°
Saturation S
60%
Lightness L
40%
Value V
64%
Temperature
Warm
Brightness
Dark
Chroma
Vivid
Hue family
Orange
Contrast on white: 4.95:1 (AA body Pass / AAA Fail)
Contrast on black: 4.24:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#a26029
Protanopia
#858536
Deuteranopia
#898e3a
Tritanopia
#9f4143
Achromatopsia
#6d6d6d
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.