Recognised as Colour

#B5772C

#B5772C
Orange
Dark
Nearest: Peru

#B5772C is a orange with RGB values 181, 119, 44 and HSL 33°, 61%, 44%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Peru.

Colour values

#B5772C#B5772C

HEX#B5772C

RGBrgb(181, 119, 44)

RGB (0–1)0.7098, 0.4667, 0.1725

RGB percentages71%, 46.7%, 17.3%

HSLhsl(32.8, 60.9%, 44.1%)

HSV / HSBhsv(32.8, 75.7%, 71%)

CMYK0%, 34.3%, 75.7%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,892,524

CSS custom property--colour: #B5772C;

Brightness & contrast

Relative luminance0.23199WCAG 2.x, 0 is black and 1 is white

Perceived brightness135.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.64:1

Contrast with white3.72:1WCAG normal text: Fail

Contrast with black5.64:1WCAG normal text: AA

Greyscale equivalent#7F7F7F

Inverted#4A88D3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8B7C22no red cones; affects about 1% of men; ΔE 22.7 from the original

Deuteranopia#9A8A2Eno green cones; the most common form, about 1% of men; ΔE 22.7 from the original

Tritanopia#C56868no blue cones; rare, and affects men and women equally; ΔE 37.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.72:1WCAG large text: AA

Contrast with black, large text5.64:1WCAG large text: AAA

Named colours

Peru · ΔE 7.5 Dark goldenrod · ΔE 16.3 Sandy brown · ΔE 19.5 Chocolate · ΔE 20.8 Sienna · ΔE 21.1 Saddle brown · ΔE 21.4

Nearest named CSS colourPeru (#CD853F)ΔE 7.49, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2C6AB5

Analogous#B5322C, #AFB52C

Triadic#2CB577, #772CB5

Split complementary#2CAFB5, #322CB5

Tetradic#2CB532, #2C6AB5, #B52CAF

Tints, shades & saturation

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

Lighter +40%#EFD9BE

Lighter +30%#E5C195

Lighter +20%#DBA96C

Lighter +10%#D19143

Darker −10%#8C5C22

Darker −20%#634118

Darker −30%#3A260E

Darker −40%#110B04

More saturated +25%#D17A10

Less saturated −25%#997448

Channel breakdown

R181

G119

B44

Red181 (71%)

Green119 (46.7%)

Blue44 (17.3%)

Hue32.85°

Saturation (HSL)60.89%

Lightness44.12%

Dominant channelRed

Hex per channelR B5 · G 77 · B 2C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B5772C (chemical formula)

Formula
62,407.331 g/mol
5773 atoms

B5772C has a molar mass of 62,407.331 g/mol, made up of 5773 atoms across 2 elements: 5772 × B, 1 × C.

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Molar mass

Molar mass62,407.331 g/mol

Total atoms per molecule5773

Distinct elements2

Mass of one molecule1.0362981 × 10^-19 g

Molecules per gram9.6497329 × 10^18

Name

NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show

Composition by mass

B100%

C0%

Boron (B × 5772)62,395.32 g/mol, 99.981%

Carbon (C)12.011 g/mol, 0.019%

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