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Recognised as Colour

#AA4500

  • #AA4500
  • Orange
  • Dark
  • Nearest: Chocolate

#AA4500 is a orange with RGB values 170, 69, 0 and HSL 24°, 100%, 33%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#AA4500#AA4500
HEX#AA4500
RGBrgb(170, 69, 0)
RGB (0–1)0.6667, 0.2706, 0
RGB percentages66.7%, 27.1%, 0%
HSLhsl(24.4, 100%, 33.3%)
HSV / HSBhsv(24.4, 100%, 66.7%)
CMYK0%, 59.4%, 100%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,158,784
CSS custom property--colour: #AA4500;

Brightness & contrast

Relative luminance0.12802WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.9:1
Contrast with white5.9:1WCAG normal text: AA
Contrast with black3.56:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#55BAFF

Colour vision & accessibility

Protanopia#635600no red cones; affects about 1% of men; ΔE 43.4 from the original
Deuteranopia#7B6D00no green cones; the most common form, about 1% of men; ΔE 43.8 from the original
Tritanopia#BC2B3Bno blue cones; rare, and affects men and women equally; ΔE 31.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.9:1WCAG large text: AAA
Contrast with black, large text3.56:1WCAG large text: AA

Named colours

Nearest named CSS colourChocolate (#D2691E)ΔE 14.14, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0065AA
Analogous#AA0010, #AA9A00
Triadic#00AA45, #4500AA
Split complementary#00AA9A, #0010AA
Tetradic#10AA00, #0065AA, #9A00AA

Tints, shades & saturation

Lighter +40%#FFAE77
Lighter +30%#FF9044
Lighter +20%#FF7211
Lighter +10%#DD5A00
Darker −10%#773000
Darker −20%#441C00
Darker −30%#110700
Darker −40%#000000
More saturated +25%#AA4500
Less saturated −25%#954915

Channel breakdown

R170
G69
B0
Red170 (66.7%)
Green69 (27.1%)
Blue0 (0%)
Hue24.35°
Saturation (HSL)100%
Lightness33.33%
Dominant channelRed
Hex per channelR AA · G 45 · B 00

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Every value on this page was computed from “aa4500” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.