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Recognised as Colour

#563F18

  • #563F18
  • Orange
  • Dark
  • Nearest: Saddle brown

#563F18 is a orange with RGB values 86, 63, 24 and HSL 38°, 56%, 22%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#563F18#563F18
HEX#563F18
RGBrgb(86, 63, 24)
RGB (0–1)0.3373, 0.2471, 0.0941
RGB percentages33.7%, 24.7%, 9.4%
HSLhsl(37.7, 56.4%, 21.6%)
HSV / HSBhsv(37.7, 72.1%, 33.7%)
CMYK0%, 26.7%, 72.1%, 66.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,652,248
CSS custom property--colour: #563F18;

Brightness & contrast

Relative luminance0.05599WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.91:1
Contrast with white9.91:1WCAG normal text: AAA
Contrast with black2.12:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#A9C0E7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#484014no red cones; affects about 1% of men; ΔE 8.2 from the original
Deuteranopia#4D4519no green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#5E3937no blue cones; rare, and affects men and women equally; ΔE 21.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.91:1WCAG large text: AAA
Contrast with black, large text2.12:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 26.8Dark olivegreen · ΔE 28.1Sienna · ΔE 29.8Dim grey · ΔE 32Dark slate grey · ΔE 35.4Gray · ΔE 37.4
Nearest named CSS colourSaddle brown (#8B4513)ΔE 26.84, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#182F56
Analogous#562018, #4E5618
Triadic#18563F, #3F1856
Split complementary#184E56, #201856
Tetradic#185620, #182F56, #56184E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4AB66
Lighter +30%#C9953E
Lighter +20%#A6792E
Lighter +10%#7E5C23
Darker −10%#2E220D
Darker −20%#060502
Darker −30%#000000
Darker −40%#000000
More saturated +25%#64430A
Less saturated −25%#483B26

Channel breakdown

R86
G63
B24
Red86 (33.7%)
Green63 (24.7%)
Blue24 (9.4%)
Hue37.74°
Saturation (HSL)56.36%
Lightness21.57%
Dominant channelRed
Hex per channelR 56 · G 3F · B 18

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Every value on this page was computed from “563f18” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.