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Recognised as Colour

#AC4E22

  • #AC4E22
  • Orange
  • Dark
  • Nearest: Sienna

#AC4E22 is a orange with RGB values 172, 78, 34 and HSL 19°, 67%, 40%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#AC4E22#AC4E22
HEX#AC4E22
RGBrgb(172, 78, 34)
RGB (0–1)0.6745, 0.3059, 0.1333
RGB percentages67.5%, 30.6%, 13.3%
HSLhsl(19.1, 67%, 40.4%)
HSV / HSBhsv(19.1, 80.2%, 67.5%)
CMYK0%, 54.7%, 80.2%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,292,194
CSS custom property--colour: #AC4E22;

Brightness & contrast

Relative luminance0.14335WCAG 2.x, 0 is black and 1 is white
Perceived brightness112 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.43:1
Contrast with white5.43:1WCAG normal text: AA
Contrast with black3.87:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#53B1DD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#685D1Cno red cones; affects about 1% of men; ΔE 40.4 from the original
Deuteranopia#7F721Fno green cones; the most common form, about 1% of men; ΔE 40.8 from the original
Tritanopia#BD3945no blue cones; rare, and affects men and women equally; ΔE 25.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.43:1WCAG large text: AAA
Contrast with black, large text3.87:1WCAG large text: AA

Named colours

Sienna · ΔE 9.7Saddle brown · ΔE 12Chocolate · ΔE 18Brown · ΔE 19.8Firebrick · ΔE 21.5Dark red · ΔE 22.5
Nearest named CSS colourSienna (#A0522D)ΔE 9.72, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2280AC
Analogous#AC223B, #AC9322
Triadic#22AC4E, #4E22AC
Split complementary#22AC93, #223BAC
Tetradic#3BAC22, #2280AC, #9322AC

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEC1AC
Lighter +30%#E6A181
Lighter +20%#DE8156
Lighter +10%#D5622C
Darker −10%#813B1A
Darker −20%#572711
Darker −30%#2C1409
Darker −40%#020100
More saturated +25%#C64508
Less saturated −25%#92573C

Channel breakdown

R172
G78
B34
Red172 (67.5%)
Green78 (30.6%)
Blue34 (13.3%)
Hue19.13°
Saturation (HSL)66.99%
Lightness40.39%
Dominant channelRed
Hex per channelR AC · G 4E · B 22

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Every value on this page was computed from “ac4e22” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.