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Recognised as Colour

#A37055

  • #A37055
  • Orange
  • Dark
  • Nearest: Sienna

#A37055 is a orange with RGB values 163, 112, 85 and HSL 21°, 31%, 49%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#A37055#A37055
HEX#A37055
RGBrgb(163, 112, 85)
RGB (0–1)0.6392, 0.4392, 0.3333
RGB percentages63.9%, 43.9%, 33.3%
HSLhsl(20.8, 31.5%, 48.6%)
HSV / HSBhsv(20.8, 47.9%, 63.9%)
CMYK0%, 31.3%, 47.9%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,711,125
CSS custom property--colour: #A37055;

Brightness & contrast

Relative luminance0.20031WCAG 2.x, 0 is black and 1 is white
Perceived brightness127 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.01:1
Contrast with white4.19:1WCAG normal text: Fail
Contrast with black5.01:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#5C8FAA

Colour vision & accessibility

Protanopia#7E7553no red cones; affects about 1% of men; ΔE 19.4 from the original
Deuteranopia#8A8055no green cones; the most common form, about 1% of men; ΔE 20 from the original
Tritanopia#AF6769no blue cones; rare, and affects men and women equally; ΔE 16.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.19:1WCAG large text: AA
Contrast with black, large text5.01:1WCAG large text: AAA

Named colours

Nearest named CSS colourSienna (#A0522D)ΔE 19.39, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#5588A3
Analogous#A35561, #A39755
Triadic#55A370, #7055A3
Split complementary#55A397, #5561A3
Tetradic#61A355, #5588A3, #9755A3

Tints, shades & saturation

Lighter +40%#EBDFD9
Lighter +30%#DAC3B7
Lighter +20%#C8A796
Lighter +10%#B78B74
Darker −10%#815944
Darker −20%#604232
Darker −30%#3E2B21
Darker −40%#1D140F
More saturated +25%#C26636
Less saturated −25%#847A74

Channel breakdown

R163
G112
B85
Red163 (63.9%)
Green112 (43.9%)
Blue85 (33.3%)
Hue20.77°
Saturation (HSL)31.45%
Lightness48.63%
Dominant channelRed
Hex per channelR A3 · G 70 · B 55

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Every value on this page was computed from “a37055” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.