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Recognised as Colour

#AB4D01

  • #AB4D01
  • Orange
  • Dark
  • Nearest: Chocolate

#AB4D01 is a orange with RGB values 171, 77, 1 and HSL 27°, 99%, 34%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#AB4D01#AB4D01
HEX#AB4D01
RGBrgb(171, 77, 1)
RGB (0–1)0.6706, 0.302, 0.0039
RGB percentages67.1%, 30.2%, 0.4%
HSLhsl(26.8, 98.8%, 33.7%)
HSV / HSBhsv(26.8, 99.4%, 67.1%)
CMYK0%, 55%, 99.4%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,226,369
CSS custom property--colour: #AB4D01;

Brightness & contrast

Relative luminance0.13968WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.54:1
Contrast with white5.54:1WCAG normal text: AA
Contrast with black3.79:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#54B2FE

Colour vision & accessibility

Protanopia#695B00no red cones; affects about 1% of men; ΔE 39.6 from the original
Deuteranopia#7F7100no green cones; the most common form, about 1% of men; ΔE 40.5 from the original
Tritanopia#BC3641no blue cones; rare, and affects men and women equally; ΔE 34.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.54:1WCAG large text: AAA
Contrast with black, large text3.79:1WCAG large text: AA

Named colours

Nearest named CSS colourChocolate (#D2691E)ΔE 12.3, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#015FAB
Analogous#AB010A, #ABA201
Triadic#01AB4D, #4D01AB
Split complementary#01ABA2, #010AAB
Tetradic#0AAB01, #015FAB, #A201AB

Tints, shades & saturation

Lighter +40%#FEB57A
Lighter +30%#FE9947
Lighter +20%#FE7D14
Lighter +10%#DE6401
Darker −10%#783601
Darker −20%#461F00
Darker −30%#130900
Darker −40%#000000
More saturated +25%#AC4D00
Less saturated −25%#954F16

Channel breakdown

R171
G77
B1
Red171 (67.1%)
Green77 (30.2%)
Blue1 (0.4%)
Hue26.82°
Saturation (HSL)98.84%
Lightness33.73%
Dominant channelRed
Hex per channelR AB · G 4D · B 01

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Every value on this page was computed from “ab4d01” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.