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Recognised as Colour

#563B18

  • #563B18
  • Orange
  • Dark
  • Nearest: Saddle brown

#563B18 is a orange with RGB values 86, 59, 24 and HSL 34°, 56%, 22%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#563B18#563B18
HEX#563B18
RGBrgb(86, 59, 24)
RGB (0–1)0.3373, 0.2314, 0.0941
RGB percentages33.7%, 23.1%, 9.4%
HSLhsl(33.9, 56.4%, 21.6%)
HSV / HSBhsv(33.9, 72.1%, 33.7%)
CMYK0%, 31.4%, 72.1%, 66.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,651,224
CSS custom property--colour: #563B18;

Brightness & contrast

Relative luminance0.05172WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.32:1
Contrast with white10.32:1WCAG normal text: AAA
Contrast with black2.03:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#A9C4E7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#443D14no red cones; affects about 1% of men; ΔE 10.9 from the original
Deuteranopia#4B4319no green cones; the most common form, about 1% of men; ΔE 10.6 from the original
Tritanopia#5E3433no blue cones; rare, and affects men and women equally; ΔE 20.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.32:1WCAG large text: AAA
Contrast with black, large text2.03:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 26.1Sienna · ΔE 28.8Dark olivegreen · ΔE 31Dim grey · ΔE 32Dark slate grey · ΔE 35.7Gray · ΔE 37.8
Nearest named CSS colourSaddle brown (#8B4513)ΔE 26.05, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#183356
Analogous#561C18, #525618
Triadic#18563B, #3B1856
Split complementary#185256, #1C1856
Tetradic#18561C, #183356, #561852

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4A466
Lighter +30%#C98C3E
Lighter +20%#A6722E
Lighter +10%#7E5623
Darker −10%#2E200D
Darker −20%#060402
Darker −30%#000000
Darker −40%#000000
More saturated +25%#643D0A
Less saturated −25%#483926

Channel breakdown

R86
G59
B24
Red86 (33.7%)
Green59 (23.1%)
Blue24 (9.4%)
Hue33.87°
Saturation (HSL)56.36%
Lightness21.57%
Dominant channelRed
Hex per channelR 56 · G 3B · B 18

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Every value on this page was computed from “563b18” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.