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Recognised as Colour

#A17539

  • #A17539
  • Orange
  • Dark
  • Nearest: Peru

#A17539 is a orange with RGB values 161, 117, 57 and HSL 35°, 48%, 43%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Peru.

Colour values

#A17539#A17539
HEX#A17539
RGBrgb(161, 117, 57)
RGB (0–1)0.6314, 0.4588, 0.2235
RGB percentages63.1%, 45.9%, 22.4%
HSLhsl(34.6, 47.7%, 42.7%)
HSV / HSBhsv(34.6, 64.6%, 63.1%)
CMYK0%, 27.3%, 64.6%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,581,305
CSS custom property--colour: #A17539;

Brightness & contrast

Relative luminance0.20595WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.12:1
Contrast with white4.1:1WCAG normal text: Fail
Contrast with black5.12:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#5E8AC6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#857733no red cones; affects about 1% of men; ΔE 14.5 from the original
Deuteranopia#8F823Bno green cones; the most common form, about 1% of men; ΔE 15.4 from the original
Tritanopia#AF6A68no blue cones; rare, and affects men and women equally; ΔE 31 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.1:1WCAG large text: AA
Contrast with black, large text5.12:1WCAG large text: AAA

Named colours

Peru · ΔE 16.6Sienna · ΔE 20.8Saddle brown · ΔE 21.8Dark goldenrod · ΔE 24.5Sandy brown · ΔE 25.9Burlywood · ΔE 26.4
Nearest named CSS colourPeru (#CD853F)ΔE 16.58, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3965A1
Analogous#A14139, #99A139
Triadic#39A175, #7539A1
Split complementary#3999A1, #4139A1
Tetradic#39A141, #3965A1, #A13999

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E8D6BE
Lighter +30%#DBBF98
Lighter +20%#CDA773
Lighter +10%#C08F4D
Darker −10%#7B5A2C
Darker −20%#563E1E
Darker −30%#302311
Darker −40%#0A0804
More saturated +25%#BC791E
Less saturated −25%#867154

Channel breakdown

R161
G117
B57
Red161 (63.1%)
Green117 (45.9%)
Blue57 (22.4%)
Hue34.62°
Saturation (HSL)47.71%
Lightness42.75%
Dominant channelRed
Hex per channelR A1 · G 75 · B 39

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Every value on this page was computed from “a17539” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.