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Recognised as Colour

#AB5839

  • #AB5839
  • Orange
  • Dark
  • Nearest: Sienna

#AB5839 is a orange with RGB values 171, 88, 57 and HSL 16°, 50%, 45%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#AB5839#AB5839
HEX#AB5839
RGBrgb(171, 88, 57)
RGB (0–1)0.6706, 0.3451, 0.2235
RGB percentages67.1%, 34.5%, 22.4%
HSLhsl(16.3, 50%, 44.7%)
HSV / HSBhsv(16.3, 66.7%, 67.1%)
CMYK0%, 48.5%, 66.7%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,229,241
CSS custom property--colour: #AB5839;

Brightness & contrast

Relative luminance0.15933WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.02:1
Contrast with white5.02:1WCAG normal text: AA
Contrast with black4.19:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#54A7C6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6E6436no red cones; affects about 1% of men; ΔE 35 from the original
Deuteranopia#827638no green cones; the most common form, about 1% of men; ΔE 35.4 from the original
Tritanopia#BB4851no blue cones; rare, and affects men and women equally; ΔE 20.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.02:1WCAG large text: AAA
Contrast with black, large text4.19:1WCAG large text: AA

Named colours

Sienna · ΔE 4.5Saddle brown · ΔE 13.3Indian red · ΔE 18.5Brown · ΔE 20.8Peru · ΔE 23.3Dark salmon · ΔE 23.8
Nearest named CSS colourSienna (#A0522D)ΔE 4.52, a close match
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#398CAB
Analogous#AB3953, #AB9139
Triadic#39AB58, #5839AB
Split complementary#39AB91, #3953AB
Tetradic#53AB39, #398CAB, #9139AB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBCFC4
Lighter +30%#DFB09E
Lighter +20%#D29078
Lighter +10%#C57152
Darker −10%#85442C
Darker −20%#5F311F
Darker −30%#381D13
Darker −40%#120906
More saturated +25%#C74B1C
Less saturated −25%#8F6556

Channel breakdown

R171
G88
B57
Red171 (67.1%)
Green88 (34.5%)
Blue57 (22.4%)
Hue16.32°
Saturation (HSL)50%
Lightness44.71%
Dominant channelRed
Hex per channelR AB · G 58 · B 39

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Every value on this page was computed from “ab5839” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.