Brown
Brown (#AC3721) is an intense dark color with a luminosity of 12%. It has a chroma value of 54.5 (out of 100). The closest web-safe color is #993333. The closest Pantone color is #A23C26, known as rooibos-tea (18-1355). The closest NCS color is #B04023, with the code NCS S 2570-Y70R. The grayscale version of this color is #585858. The contrast ratio with white is 6.3, and with black is 3.3. This meets the WCAG standard (4.5:1) for regular text (14pt) on a white background.
Lightness
Show relative
#FFFFFF
#F7DAD4
#EFB4A9
#E68F7F
#DE6A54
#D64429
#AB3721
#802919
#561B10
#2B0E08
#000000
Saturation
#CF1F00
#C82405
#C1290C
#BA2E13
#B3321A
#AC3721
#A53C28
#9E412F
#974536
#904A3D
#894F44
Shade
#AC4531
#AC422E
#AC3F2B
#AC3D28
#AC3A24
#AC3721
#A43621
#9B3421
#933321
#8B3221
#833021
Hue
#AC2121
#AC3821
#AC4F21
#AC6721
#AC7E21
#AC9521
#ACAC21
#95AC21
#7EAC21
#67AC21
#4FAC21
#38AC21
#21AC21
#21AC38
#21AC4F
#21AC67
#21AC7E
#21AC95
#21ACAC
#2195AC
#217EAC
#2166AC
#214FAC
#2138AC
#2121AC
#3821AC
#4F21AC
#6621AC
#7E21AC
#9521AC
#AC21AC
#AC2195
#AC217E
#AC2167
#AC214F
#AC2138
Grayscale
#585858
Complimentary
#53C8DE
WCAG contrast conformance
#AC3721 meets the WCAG standard (4.5:1) for regular text (14pt) on a white background.
On a white background
Brown
On a black background
Brown
Brown (#AC3721) does not meet the WCAG standard for either regular or large text on a sandybrown (#E5995B) background.
Brown
Composition
The colors that composes #AC3721
RGB
172
55
33
RYB
172
59
33
CMYK
0
68
81
33
CMY
33
78
87
Conversion
CSS values of #AC3721 and various standards
CSS values
HEX
#AC3721
RGB
rgb(172, 55, 33)
HSL
hsl(9, 68%, 40%)
HWB
hwb(9, 13%, 33%)
Various standards
Ansi16
rgb(128, 0, 0)
Ansi256
rgb(153, 51, 51)
HCG
rgb(172, 55, 33)
Apple
rgb(172, 55, 33)
Closest Pantone color
rooibos-tea (18-1355)
#A23C26
Closest NCS color
NCS S 2570-Y70R
#B04023
Color harmonies
The basic color chords based on the color wheel
Split complementary
#2150AC
#AC3721
#21AC7D
Triadic
#AC3721
#21AC37
#3721AC
Tetradic
#AC3721
#50AC21
#2196AC
#7D21AC
Analogous
#AC2150
#AC3721
#AC7D21
Color blindness
Below is a simulation map of how people with vision deciciency perceive your color
Achromatopsia
#4E4E4E
Deuteranopia
#5E5E1E
Protanopia
#4B4B20
Tritanopia
#AF3434