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Recognised as Colour

#A56737

  • #A56737
  • Orange
  • Dark
  • Nearest: Sienna

#A56737 is a orange with RGB values 165, 103, 55 and HSL 26°, 50%, 43%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#A56737#A56737
HEX#A56737
RGBrgb(165, 103, 55)
RGB (0–1)0.6471, 0.4039, 0.2157
RGB percentages64.7%, 40.4%, 21.6%
HSLhsl(26.2, 50%, 43.1%)
HSV / HSBhsv(26.2, 66.7%, 64.7%)
CMYK0%, 37.6%, 66.7%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,839,863
CSS custom property--colour: #A56737;

Brightness & contrast

Relative luminance0.17976WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.6:1
Contrast with white4.57:1WCAG normal text: AA
Contrast with black4.6:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#5A98C8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#796D32no red cones; affects about 1% of men; ΔE 24.2 from the original
Deuteranopia#887B37no green cones; the most common form, about 1% of men; ΔE 24.6 from the original
Tritanopia#B45A5Cno 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 text4.57:1WCAG large text: AAA
Contrast with black, large text4.6:1WCAG large text: AAA

Named colours

Sienna · ΔE 10.7Saddle brown · ΔE 14.1Peru · ΔE 16.6Dark salmon · ΔE 23.7Sandy brown · ΔE 26.6Chocolate · ΔE 26.8
Nearest named CSS colourSienna (#A0522D)ΔE 10.68, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3775A5
Analogous#A5373E, #A59E37
Triadic#37A567, #6737A5
Split complementary#37A59E, #373EA5
Tetradic#3EA537, #3775A5, #9E37A5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAD1BF
Lighter +30%#DDB698
Lighter +20%#D09B72
Lighter +10%#C3804C
Darker −10%#7F4F2A
Darker −20%#59371E
Darker −30%#321F11
Darker −40%#0C0704
More saturated +25%#C1641C
Less saturated −25%#8A6B53

Channel breakdown

R165
G103
B55
Red165 (64.7%)
Green103 (40.4%)
Blue55 (21.6%)
Hue26.18°
Saturation (HSL)50%
Lightness43.14%
Dominant channelRed
Hex per channelR A5 · G 67 · B 37

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Every value on this page was computed from “a56737” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.