brownwarmCSS named color
Sienna #A0522D
A warm reddish-brown, named after the natural earth pigment.
Use cases: Classic art · Earthy palettes
Color values
| Format | Value | |
|---|---|---|
| HEX | #A0522D | |
| RGB | rgb(160, 82, 45) | |
| HSL | hsl(19, 56%, 40%) | |
| HSV | hsv(19, 72%, 63%) | |
| CMYK | cmyk(0%, 48.8%, 71.9%, 37.3%) | |
| XYZ | xyz(17.9898, 13.6997, 4.1791) | |
| CIE-LAB | lab(43.8, 29.3, 35.6) | |
| Luminance | 0.137 (WCAG relative) |
/* Sienna */
color: #a0522d;
background-color: #a0522d;
Shade scale
Perceptual 50–950 scale, interpolated in CIE-LAB. Step 500 is the base color. Edit in the shade generator →
Shades (toward black)
#904a29 #804224 #703920 #60311b #502917 #402112 #30190e #201009 #100805 #000000
Tints (toward white)
#aa6342 #b37557 #bd866c #c69781 #d0a996 #d9baab #e3cbc0 #ecdcd5 #f6eeea #ffffff
Tones (toward gray)
#9d5735 #9a5b3e #966046 #93644e #906957 #8d6e5f #8a7267 #86776f #837b78 #808080
Color harmonies
Complementary
Edit in generator →#A0522D
#2D7BA0
#a0522d #2d7ba0
Analogous
Edit in generator →#A02D42
#A0522D
#A08B2D
#a02d42 #a0522d #a08b2d
Triadic
Edit in generator →#A0522D
#2DA052
#522DA0
#a0522d #2da052 #522da0
Tetradic
Edit in generator →#A0522D
#42A02D
#2D7BA0
#8B2DA0
#a0522d #42a02d #2d7ba0 #8b2da0
Split Complementary
Edit in generator →#A0522D
#2DA08B
#2D42A0
#a0522d #2da08b #2d42a0
Monochromatic
Edit in generator →#402112
#703A20
#A0522D
#C96D41
#D79170
#402112 #703a20 #a0522d #c96d41 #d79170
Accessibility & contrast
5.62
#A0522D on #FFFFFF
AA text ✓AA large ✓AAA text ✗UI 3:1 ✓
3.74
#A0522D on #000000
AA text ✗AA large ✓AAA text ✗UI 3:1 ✓
Best text on sienna
5.62
#FFFFFF text
WCAG 2.1: AA needs ≥4.5:1 for normal text, ≥3:1 for large text and UI components; AAA needs ≥7:1 / ≥4.5:1.
Color blindness preview
Simulation using the Machado et al. (2009) physiological model, severity 1.0. This is an approximation of perception — not a medical assessment.
Closest named colors
Nearest matches by CIEDE2000 perceptual distance (ΔE₀₀).
| Color | Name | ΔE₀₀ |
|---|---|---|
| Rust #B7410E | 6.45 | |
| Clay #B66A50 | 9.67 | |
| Adobe #BD6C48 | 10.23 | |
| Chocolate #7B3F00 | 11.46 | |
| Firebrick #B22222 | 12.48 | |
| Terracotta #C96F4A | 12.67 |
Related colors
Palettes with sienna
Values computed from the sRGB color model. CMYK is the naive sRGB conversion without an ICC profile. RGB percentages may differ between color-managed applications.