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Colour

#573A10

  • #573A10
  • Orange
  • Dark
  • Nearest: Saddle brown

#573A10 is a orange with RGB values 87, 58, 16 and HSL 35°, 69%, 20%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#573A10#573A10
HEX#573A10
RGBrgb(87, 58, 16)
RGB (0–1)0.3412, 0.2275, 0.0627
RGB percentages34.1%, 22.7%, 6.3%
HSLhsl(35.5, 68.9%, 20.2%)
HSV / HSBhsv(35.5, 81.6%, 34.1%)
CMYK0%, 33.3%, 81.6%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,716,496
CSS custom property--colour: #573A10;

Brightness & contrast

Relative luminance0.0509WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.41:1
Contrast with white10.41:1WCAG normal text: AAA
Contrast with black2.02:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#A8C5EF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#443C0Ano red cones; affects about 1% of men; ΔE 11.6 from the original
Deuteranopia#4B4311no green cones; the most common form, about 1% of men; ΔE 11.9 from the original
Tritanopia#5F3331no blue cones; rare, and affects men and women equally; ΔE 22.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.41:1WCAG large text: AAA
Contrast with black, large text2.02:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 23.6Sienna · ΔE 27.4Dark olivegreen · ΔE 31.3Dim grey · ΔE 35.6Dark slate grey · ΔE 39.4Maroon · ΔE 40.4
Nearest named CSS colourSaddle brown (#8B4513)ΔE 23.55, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#102D57
Analogous#571610, #515710
Triadic#10573A, #3A1057
Split complementary#105157, #161057
Tetradic#105716, #102D57, #571051

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFA654
Lighter +30%#D89028
Lighter +20%#AD7320
Lighter +10%#825718
Darker −10%#2C1D08
Darker −20%#010100
Darker −30%#000000
Darker −40%#000000
More saturated +25%#643C03
Less saturated −25%#4A381D

Channel breakdown

R87
G58
B16
Red87 (34.1%)
Green58 (22.7%)
Blue16 (6.3%)
Hue35.49°
Saturation (HSL)68.93%
Lightness20.2%
Dominant channelRed
Hex per channelR 57 · G 3A · B 10

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Every value on this page was computed from “573a10” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.