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Recognised as Colour

#A1682D

  • #A1682D
  • Orange
  • Dark
  • Nearest: Sienna

#A1682D is a orange with RGB values 161, 104, 45 and HSL 31°, 56%, 40%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#A1682D#A1682D
HEX#A1682D
RGBrgb(161, 104, 45)
RGB (0–1)0.6314, 0.4078, 0.1765
RGB percentages63.1%, 40.8%, 17.6%
HSLhsl(30.5, 56.3%, 40.4%)
HSV / HSBhsv(30.5, 72%, 63.1%)
CMYK0%, 35.4%, 72%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,577,965
CSS custom property--colour: #A1682D;

Brightness & contrast

Relative luminance0.17667WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.63:1
Contrast with white4.63:1WCAG normal text: AA
Contrast with black4.53:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#5E97D2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7A6D26no red cones; affects about 1% of men; ΔE 21.6 from the original
Deuteranopia#877A2Eno green cones; the most common form, about 1% of men; ΔE 22.2 from the original
Tritanopia#B05B5Bno blue cones; rare, and affects men and women equally; ΔE 30.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.63:1WCAG large text: AAA
Contrast with black, large text4.53:1WCAG large text: AAA

Named colours

Sienna · ΔE 14.2Saddle brown · ΔE 14.7Peru · ΔE 14.8Dark goldenrod · ΔE 24.8Chocolate · ΔE 25.8Sandy brown · ΔE 26
Nearest named CSS colourSienna (#A0522D)ΔE 14.24, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2D66A1
Analogous#A12E2D, #A0A12D
Triadic#2DA168, #682DA1
Split complementary#2DA0A1, #2E2DA1
Tetradic#2DA12E, #2D66A1, #A12DA0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9CDB1
Lighter +30%#DEB489
Lighter +20%#D39B61
Lighter +10%#C88239
Darker −10%#794E22
Darker −20%#513517
Darker −30%#291B0C
Darker −40%#020100
More saturated +25%#BB6813
Less saturated −25%#876847

Channel breakdown

R161
G104
B45
Red161 (63.1%)
Green104 (40.8%)
Blue45 (17.6%)
Hue30.52°
Saturation (HSL)56.31%
Lightness40.39%
Dominant channelRed
Hex per channelR A1 · G 68 · B 2D

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Every value on this page was computed from “a1682d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.