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Recognised as Colour

#A63D01

  • #A63D01
  • Orange
  • Dark
  • Nearest: Chocolate

#A63D01 is a orange with RGB values 166, 61, 1 and HSL 22°, 99%, 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 Chocolate.

Colour values

#A63D01#A63D01
HEX#A63D01
RGBrgb(166, 61, 1)
RGB (0–1)0.651, 0.2392, 0.0039
RGB percentages65.1%, 23.9%, 0.4%
HSLhsl(21.8, 98.8%, 32.7%)
HSV / HSBhsv(21.8, 99.4%, 65.1%)
CMYK0%, 63.3%, 99.4%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,894,593
CSS custom property--colour: #A63D01;

Brightness & contrast

Relative luminance0.11447WCAG 2.x, 0 is black and 1 is white
Perceived brightness102.1 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#4F4F4F
Inverted#59C2FE

Colour vision & accessibility

Protanopia#5C5000no red cones; affects about 1% of men; ΔE 45.7 from the original
Deuteranopia#766800no green cones; the most common form, about 1% of men; ΔE 45.6 from the original
Tritanopia#B71F34no blue cones; rare, and affects men and women equally; ΔE 28.8 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

Nearest named CSS colourChocolate (#D2691E)ΔE 17.12, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#016AA6
Analogous#A60118, #A68F01
Triadic#01A63D, #3D01A6
Split complementary#01A68F, #0118A6
Tetradic#18A601, #016AA6, #8F01A6

Tints, shades & saturation

Lighter +40%#FEA775
Lighter +30%#FE8642
Lighter +20%#FE660F
Lighter +10%#D95001
Darker −10%#732A01
Darker −20%#411800
Darker −30%#0E0500
Darker −40%#000000
More saturated +25%#A73D00
Less saturated −25%#914316

Channel breakdown

R166
G61
B1
Red166 (65.1%)
Green61 (23.9%)
Blue1 (0.4%)
Hue21.82°
Saturation (HSL)98.8%
Lightness32.75%
Dominant channelRed
Hex per channelR A6 · G 3D · B 01

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Every value on this page was computed from “a63d01” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.