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Recognised as Colour

#A36636

  • #A36636
  • Orange
  • Dark
  • Nearest: Sienna

#A36636 is a orange with RGB values 163, 102, 54 and HSL 26°, 50%, 43%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#A36636#A36636
HEX#A36636
RGBrgb(163, 102, 54)
RGB (0–1)0.6392, 0.4, 0.2118
RGB percentages63.9%, 40%, 21.2%
HSLhsl(26.4, 50.2%, 42.5%)
HSV / HSBhsv(26.4, 66.9%, 63.9%)
CMYK0%, 37.4%, 66.9%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,708,534
CSS custom property--colour: #A36636;

Brightness & contrast

Relative luminance0.17556WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.66:1
Contrast with white4.66:1WCAG normal text: AA
Contrast with black4.51:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#5C99C9

Colour vision & accessibility

Protanopia#786C31no red cones; affects about 1% of men; ΔE 23.8 from the original
Deuteranopia#877A36no green cones; the most common form, about 1% of men; ΔE 24.2 from the original
Tritanopia#B2595Bno blue cones; rare, and affects men and women equally; ΔE 26.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.66:1WCAG large text: AAA
Contrast with black, large text4.51:1WCAG large text: AAA

Named colours

Nearest named CSS colourSienna (#A0522D)ΔE 10.72, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#3673A3
Analogous#A3363D, #A39C36
Triadic#36A366, #6636A3
Split complementary#36A39D, #363DA3
Tetradic#3DA336, #3673A3, #9D36A3

Tints, shades & saturation

Lighter +40%#E9D0BC
Lighter +30%#DCB596
Lighter +20%#CF9A70
Lighter +10%#C37F49
Darker −10%#7D4E29
Darker −20%#56361D
Darker −30%#301E10
Darker −40%#0A0603
More saturated +25%#BE631B
Less saturated −25%#886951

Channel breakdown

R163
G102
B54
Red163 (63.9%)
Green102 (40%)
Blue54 (21.2%)
Hue26.42°
Saturation (HSL)50.23%
Lightness42.55%
Dominant channelRed
Hex per channelR A3 · G 66 · B 36

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Every value on this page was computed from “a36636” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.