Recognised as Colour

#B1860F

#B1860F
Orange
Dark
Nearest: Dark goldenrod

#B1860F is a orange with RGB values 177, 134, 15 and HSL 44°, 84%, 38%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#B1860F#B1860F

HEX#B1860F

RGBrgb(177, 134, 15)

RGB (0–1)0.6941, 0.5255, 0.0588

RGB percentages69.4%, 52.5%, 5.9%

HSLhsl(44.1, 84.4%, 37.6%)

HSV / HSBhsv(44.1, 91.5%, 69.4%)

CMYK0%, 24.3%, 91.5%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,634,191

CSS custom property--colour: #B1860F;

Brightness & contrast

Relative luminance0.26432WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.29:1

Contrast with white3.34:1WCAG normal text: Fail

Contrast with black6.29:1WCAG normal text: AA

Greyscale equivalent#878787

Inverted#4E79F0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#998600no red cones; affects about 1% of men; ΔE 11.6 from the original

Deuteranopia#A39119no green cones; the most common form, about 1% of men; ΔE 12.4 from the original

Tritanopia#C17872no blue cones; rare, and affects men and women equally; ΔE 50.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.34:1WCAG large text: AA

Contrast with black, large text6.29:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 3.6 Goldenrod · ΔE 14.7 Peru · ΔE 20 Olive · ΔE 21.2 Sandy brown · ΔE 26.6 Orange · ΔE 29.8

Nearest named CSS colourDark goldenrod (#B8860B)ΔE 3.61, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F3AB1

Analogous#B1350F, #8BB10F

Triadic#0FB186, #860FB1

Split complementary#0F8BB1, #350FB1

Tetradic#0FB135, #0F3AB1, #B10F8B

Tints, shades & saturation

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

Lighter +40%#F6DD96

Lighter +30%#F2CD67

Lighter +20%#EEBE38

Lighter +10%#E0AA13

Darker −10%#82620B

Darker −20%#533F07

Darker −30%#241B03

Darker −40%#000000

More saturated +25%#C08D00

Less saturated −25%#997B27

Channel breakdown

R177

G134

B15

Red177 (69.4%)

Green134 (52.5%)

Blue15 (5.9%)

Hue44.07°

Saturation (HSL)84.38%

Lightness37.65%

Dominant channelRed

Hex per channelR B1 · G 86 · B 0F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B1860F (chemical formula)

Formula
20,125.598 g/mol
1861 atoms

B1860F has a molar mass of 20,125.598 g/mol, made up of 1861 atoms across 2 elements: 1860 × B, 1 × F.

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Molar mass

Molar mass20,125.598 g/mol

Total atoms per molecule1861

Distinct elements2

Mass of one molecule3.3419342 × 10^-20 g

Molecules per gram2.9922792 × 10^19

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

B99.9%

F0.1%

Boron (B × 1860)20,106.6 g/mol, 99.906%

Fluorine (F)18.998 g/mol, 0.094%

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Elements in this formula

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