Recognised as Colour

#AA5A37

#AA5A37
Orange
Dark
Nearest: Sienna

#AA5A37 is a orange with RGB values 170, 90, 55 and HSL 18°, 51%, 44%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#AA5A37#AA5A37

HEX#AA5A37

RGBrgb(170, 90, 55)

RGB (0–1)0.6667, 0.3529, 0.2157

RGB percentages66.7%, 35.3%, 21.6%

HSLhsl(18.3, 51.1%, 44.1%)

HSV / HSBhsv(18.3, 67.6%, 66.7%)

CMYK0%, 47.1%, 67.6%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,164,215

CSS custom property--colour: #AA5A37;

Brightness & contrast

Relative luminance0.16134WCAG 2.x, 0 is black and 1 is white

Perceived brightness117.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.97:1

Contrast with white4.97:1WCAG normal text: AA

Contrast with black4.23:1WCAG normal text: Fail

Greyscale equivalent#686868

Inverted#55A5C8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#706533no red cones; affects about 1% of men; ΔE 33.2 from the original

Deuteranopia#837736no green cones; the most common form, about 1% of men; ΔE 34.1 from the original

Tritanopia#BA4A52no blue cones; rare, and affects men and women equally; ΔE 22.4 from the original

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

Contrast with white, large text4.97:1WCAG large text: AAA

Contrast with black, large text4.23:1WCAG large text: AA

Named colours

Sienna · ΔE 3.6 Saddle brown · ΔE 12.2 Indian red · ΔE 20.5 Peru · ΔE 21.6 Brown · ΔE 22.5 Dark salmon · ΔE 23.7

Nearest named CSS colourSienna (#A0522D)ΔE 3.6, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3787AA

Analogous#AA374E, #AA9337

Triadic#37AA5A, #5A37AA

Split complementary#37AA93, #374EAA

Tetradic#4EAA37, #3787AA, #9337AA

Tints, shades & saturation

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

Lighter +40%#EBCEC2

Lighter +30%#DFB09B

Lighter +20%#D29175

Lighter +10%#C6734E

Darker −10%#83462B

Darker −20%#5D311E

Darker −30%#361D12

Darker −40%#100805

More saturated +25%#C64F1B

Less saturated −25%#8E6553

Channel breakdown

R170

G90

B55

Red170 (66.7%)

Green90 (35.3%)

Blue55 (21.6%)

Hue18.26°

Saturation (HSL)51.11%

Lightness44.12%

Dominant channelRed

Hex per channelR AA · G 5A · B 37

Keep nerding

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

#AA5A37

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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