Recognised as Colour

#B58540

#B58540
Orange
Dark
Nearest: Peru

#B58540 is a orange with RGB values 181, 133, 64 and HSL 35°, 48%, 48%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Peru.

Colour values

#B58540#B58540

HEX#B58540

RGBrgb(181, 133, 64)

RGB (0–1)0.7098, 0.5216, 0.251

RGB percentages71%, 52.2%, 25.1%

HSLhsl(35.4, 47.8%, 48%)

HSV / HSBhsv(35.4, 64.6%, 71%)

CMYK0%, 26.5%, 64.6%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,896,128

CSS custom property--colour: #B58540;

Brightness & contrast

Relative luminance0.26969WCAG 2.x, 0 is black and 1 is white

Perceived brightness143.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.39:1

Contrast with white3.28:1WCAG normal text: Fail

Contrast with black6.39:1WCAG normal text: AA

Greyscale equivalent#8A8A8A

Inverted#4A7ABF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#968739no red cones; affects about 1% of men; ΔE 15.6 from the original

Deuteranopia#A29242no green cones; the most common form, about 1% of men; ΔE 15.5 from the original

Tritanopia#C47976no blue cones; rare, and affects men and women equally; ΔE 34.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.28:1WCAG large text: AA

Contrast with black, large text6.39:1WCAG large text: AAA

Named colours

Peru · ΔE 11.5 Dark goldenrod · ΔE 19.2 Sandy brown · ΔE 19.4 Burlywood · ΔE 22.9 Dark khaki · ΔE 24.9 Sienna · ΔE 25

Nearest named CSS colourPeru (#CD853F)ΔE 11.53, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4070B5

Analogous#B54A40, #ABB540

Triadic#40B585, #8540B5

Split complementary#40ABB5, #4A40B5

Tetradic#40B54A, #4070B5, #B540AB

Tints, shades & saturation

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

Lighter +40%#EFE3D2

Lighter +30%#E2CCAC

Lighter +20%#D4B487

Lighter +10%#C79D61

Darker −10%#8F6933

Darker −20%#6A4E25

Darker −30%#443218

Darker −40%#1E160B

More saturated +25%#D48A21

Less saturated −25%#96805F

Channel breakdown

R181

G133

B64

Red181 (71%)

Green133 (52.2%)

Blue64 (25.1%)

Hue35.38°

Saturation (HSL)47.76%

Lightness48.04%

Dominant channelRed

Hex per channelR B5 · G 85 · B 40

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B58540 (chemical formula)

Formula
632,817.4 g/mol
58540 atoms

B58540 has a molar mass of 632,817.4 g/mol, made up of 58540 atoms across 1 element: 58540 × B.

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Molar mass

Molar mass632,817.4 g/mol

Total atoms per molecule58540

Distinct elements1

Mass of one molecule1.050818 × 10^-18 g

Molecules per gram9.5163957 × 10^17

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%

Boron (B × 58540)632,817.4 g/mol, 100%

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Elements in this formula

Boron

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