Recognised as Colour

#BF8700

#BF8700
Orange
Dark
Nearest: Dark goldenrod

#BF8700 is a orange with RGB values 191, 135, 0 and HSL 42°, 100%, 37%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#BF8700#BF8700

HEX#BF8700

RGBrgb(191, 135, 0)

RGB (0–1)0.749, 0.5294, 0

RGB percentages74.9%, 52.9%, 0%

HSLhsl(42.4, 100%, 37.5%)

HSV / HSBhsv(42.4, 100%, 74.9%)

CMYK0%, 29.3%, 100%, 25.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,551,936

CSS custom property--colour: #BF8700;

Brightness & contrast

Relative luminance0.28404WCAG 2.x, 0 is black and 1 is white

Perceived brightness147 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.68:1

Contrast with white3.14:1WCAG normal text: Fail

Contrast with black6.68:1WCAG normal text: AA

Greyscale equivalent#898989

Inverted#4078FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9C8900no red cones; affects about 1% of men; ΔE 17.9 from the original

Deuteranopia#AA970Eno green cones; the most common form, about 1% of men; ΔE 18.3 from the original

Tritanopia#D17773no blue cones; rare, and affects men and women equally; ΔE 52.9 from the original

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

Contrast with white, large text3.14:1WCAG large text: AA

Contrast with black, large text6.68:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 3.9 Goldenrod · ΔE 11.7 Peru · ΔE 19.9 Orange · ΔE 23 Sandy brown · ΔE 25.6 Chocolate · ΔE 26.6

Nearest named CSS colourDark goldenrod (#B8860B)ΔE 3.9, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0038BF

Analogous#BF2800, #97BF00

Triadic#00BF87, #8700BF

Split complementary#0098BF, #2700BF

Tetradic#00BF28, #0038BF, #BF0098

Tints, shades & saturation

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

Lighter +40%#FFDD8C

Lighter +30%#FFCE59

Lighter +20%#FFBF26

Lighter +10%#F2AB00

Darker −10%#8C6300

Darker −20%#593F00

Darker −30%#261B00

Darker −40%#000000

More saturated +25%#BF8700

Less saturated −25%#A77D18

Channel breakdown

R191

G135

Red191 (74.9%)

Green135 (52.9%)

Blue0 (0%)

Hue42.41°

Saturation (HSL)100%

Lightness37.45%

Dominant channelRed

Hex per channelR BF · G 87 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BF8700 (chemical formula)

Formula
165,293.41 g/mol
8701 atoms

BF8700 has a molar mass of 165,293.41 g/mol, made up of 8701 atoms across 2 elements: 1 × B, 8700 × F.

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Molar mass

Molar mass165,293.41 g/mol

Total atoms per molecule8701

Distinct elements2

Mass of one molecule2.7447616 × 10^-19 g

Molecules per gram3.6433036 × 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

B0%

F100%

Boron (B)10.81 g/mol, 0.007%

Fluorine (F × 8700)165,282.6 g/mol, 99.993%

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