Recognised as Colour

#AA511D

#AA511D
Orange
Dark
Nearest: Sienna

#AA511D is a orange with RGB values 170, 81, 29 and HSL 22°, 71%, 39%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#AA511D#AA511D

HEX#AA511D

RGBrgb(170, 81, 29)

RGB (0–1)0.6667, 0.3176, 0.1137

RGB percentages66.7%, 31.8%, 11.4%

HSLhsl(22.1, 70.9%, 39%)

HSV / HSBhsv(22.1, 82.9%, 66.7%)

CMYK0%, 52.4%, 82.9%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,161,885

CSS custom property--colour: #AA511D;

Brightness & contrast

Relative luminance0.1452WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.38:1

Contrast with white5.38:1WCAG normal text: AA

Contrast with black3.9:1WCAG normal text: Fail

Greyscale equivalent#606060

Inverted#55AEE2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6A5E15no red cones; affects about 1% of men; ΔE 37.7 from the original

Deuteranopia#80721Bno green cones; the most common form, about 1% of men; ΔE 37.9 from the original

Tritanopia#BB3D47no blue cones; rare, and affects men and women equally; ΔE 28.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.38:1WCAG large text: AAA

Contrast with black, large text3.9:1WCAG large text: AA

Named colours

Sienna · ΔE 10.4 Saddle brown · ΔE 11 Chocolate · ΔE 16.4 Peru · ΔE 20.8 Brown · ΔE 23.2 Firebrick · ΔE 24.6

Nearest named CSS colourSienna (#A0522D)ΔE 10.45, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#1D76AA

Analogous#AA1D30, #AA981D

Triadic#1DAA51, #511DAA

Split complementary#1DAA98, #1D2FAA

Tetradic#2FAA1D, #1D76AA, #981DAA

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#EFC0A4

Lighter +30%#E8A178

Lighter +20%#E1834C

Lighter +10%#D66624

Darker −10%#7E3C16

Darker −20%#53270E

Darker −30%#271307

Darker −40%#000000

More saturated +25%#C34A04

Less saturated −25%#915836

Channel breakdown

R170

G81

B29

Red170 (66.7%)

Green81 (31.8%)

Blue29 (11.4%)

Hue22.13°

Saturation (HSL)70.85%

Lightness39.02%

Dominant channelRed

Hex per channelR AA · G 51 · B 1D

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#AA511D

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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