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Colour

#AA6600

  • #AA6600
  • Orange
  • Dark
  • Nearest: Peru

#AA6600 is a orange with RGB values 170, 102, 0 and HSL 36°, 100%, 33%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Peru.

Colour values

#AA6600#AA6600
HEX#AA6600
HEX (short)#A60
RGBrgb(170, 102, 0)
RGB (0–1)0.6667, 0.4, 0
RGB percentages66.7%, 40%, 0%
HSLhsl(36, 100%, 33.3%)
HSV / HSBhsv(36, 100%, 66.7%)
CMYK0%, 40%, 100%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,167,232
CSS custom property--colour: #AA6600;

Brightness & contrast

Relative luminance0.18049WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.61:1
Contrast with white4.56:1WCAG normal text: AA
Contrast with black4.61:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#5599FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7C6C00no red cones; affects about 1% of men; ΔE 25.8 from the original
Deuteranopia#8C7C03no green cones; the most common form, about 1% of men; ΔE 26.4 from the original
Tritanopia#BB5656no blue cones; rare, and affects men and women equally; ΔE 42.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.56:1WCAG large text: AAA
Contrast with black, large text4.61:1WCAG large text: AAA

Named colours

Peru · ΔE 15.4Dark goldenrod · ΔE 15.9Chocolate · ΔE 17Saddle brown · ΔE 20.9Sienna · ΔE 23.8Sandy brown · ΔE 26.6
Nearest named CSS colourPeru (#CD853F)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#0044AA
Analogous#AA1100, #99AA00
Triadic#00AA66, #6600AA
Split complementary#0099AA, #1100AA
Tetradic#00AA11, #0044AA, #AA0099

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFC977
Lighter +30%#FFB444
Lighter +20%#FFA011
Lighter +10%#DD8500
Darker −10%#774700
Darker −20%#442900
Darker −30%#110A00
Darker −40%#000000
More saturated +25%#AA6600
Less saturated −25%#956215

Channel breakdown

R170
G102
B0
Red170 (66.7%)
Green102 (40%)
Blue0 (0%)
Hue36°
Saturation (HSL)100%
Lightness33.33%
Dominant channelRed
Hex per channelR AA · G 66 · B 00

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Every value on this page was computed from “aa6600” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.