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Recognised as Colour

#A34004

  • #A34004
  • Orange
  • Dark
  • Nearest: Saddle brown

#A34004 is a orange with RGB values 163, 64, 4 and HSL 23°, 95%, 33%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Saddle brown.

Colour values

#A34004#A34004
HEX#A34004
RGBrgb(163, 64, 4)
RGB (0–1)0.6392, 0.251, 0.0157
RGB percentages63.9%, 25.1%, 1.6%
HSLhsl(22.6, 95.2%, 32.7%)
HSV / HSBhsv(22.6, 97.5%, 63.9%)
CMYK0%, 60.7%, 97.5%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,698,756
CSS custom property--colour: #A34004;

Brightness & contrast

Relative luminance0.11462WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.38:1
Contrast with white6.38:1WCAG normal text: AA
Contrast with black3.29:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#5CBFFB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5D5100no red cones; affects about 1% of men; ΔE 42.9 from the original
Deuteranopia#756800no green cones; the most common form, about 1% of men; ΔE 43.6 from the original
Tritanopia#B42637no blue cones; rare, and affects men and women equally; ΔE 29.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.38:1WCAG large text: AAA
Contrast with black, large text3.29:1WCAG large text: AA

Named colours

Saddle brown · ΔE 15.4Chocolate · ΔE 17.1Sienna · ΔE 17.4Dark red · ΔE 19.5Maroon · ΔE 21.2Firebrick · ΔE 21.3
Nearest named CSS colourSaddle brown (#8B4513)ΔE 15.36, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0467A3
Analogous#A30417, #A38F04
Triadic#04A340, #4004A3
Split complementary#04A38F, #0417A3
Tetradic#17A304, #0467A3, #8F04A3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCA977
Lighter +30%#FA8A46
Lighter +20%#F96A14
Lighter +10%#D55405
Darker −10%#712C03
Darker −20%#3F1902
Darker −30%#0E0500
Darker −40%#000000
More saturated +25%#A73F00
Less saturated −25%#8E4519

Channel breakdown

R163
G64
B4
Red163 (63.9%)
Green64 (25.1%)
Blue4 (1.6%)
Hue22.64°
Saturation (HSL)95.21%
Lightness32.75%
Dominant channelRed
Hex per channelR A3 · G 40 · B 04

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Every value on this page was computed from “a34004” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.