Recognised as Colour

#A66556

#A66556
Red
Dark
Nearest: Sienna

#A66556 is a red with RGB values 166, 101, 86 and HSL 11°, 32%, 49%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#A66556#A66556

HEX#A66556

RGBrgb(166, 101, 86)

RGB (0–1)0.651, 0.3961, 0.3373

RGB percentages65.1%, 39.6%, 33.7%

HSLhsl(11.2, 31.7%, 49.4%)

HSV / HSBhsv(11.2, 48.2%, 65.1%)

CMYK0%, 39.2%, 48.2%, 34.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,904,918

CSS custom property--colour: #A66556;

Brightness & contrast

Relative luminance0.18086WCAG 2.x, 0 is black and 1 is white

Perceived brightness122.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.62:1

Contrast with white4.55:1WCAG normal text: AA

Contrast with black4.62:1WCAG normal text: AA

Greyscale equivalent#727272

Inverted#599AA9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#746E55no red cones; affects about 1% of men; ΔE 27.2 from the original

Deuteranopia#847B55no green cones; the most common form, about 1% of men; ΔE 27.4 from the original

Tritanopia#B35B61no blue cones; rare, and affects men and women equally; ΔE 13.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.55:1WCAG large text: AAA

Contrast with black, large text4.62:1WCAG large text: AAA

Named colours

Sienna · ΔE 17.7 Rosy brown · ΔE 20.5 Indian red · ΔE 20.8 Dark salmon · ΔE 22.1 Saddle brown · ΔE 24.7 Light coral · ΔE 24.7

Nearest named CSS colourSienna (#A0522D)ΔE 17.73, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5697A6

Analogous#A6566F, #A68D56

Triadic#56A665, #6556A6

Split complementary#56A68D, #566FA6

Tetradic#6FA656, #5697A6, #8D56A6

Tints, shades & saturation

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

Lighter +40%#EDDFDB

Lighter +30%#DBC0BA

Lighter +20%#CAA298

Lighter +10%#B88377

Darker −10%#845145

Darker −20%#633C33

Darker −30%#412822

Darker −40%#201310

More saturated +25%#C65137

Less saturated −25%#877976

Channel breakdown

R166

G101

B86

Red166 (65.1%)

Green101 (39.6%)

Blue86 (33.7%)

Hue11.25°

Saturation (HSL)31.75%

Lightness49.41%

Dominant channelRed

Hex per channelR A6 · G 65 · B 56

Keep nerding

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

#A66556

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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