Recognised as Colour

#B28708

#B28708
Orange
Dark
Nearest: Dark goldenrod

#B28708 is a orange with RGB values 178, 135, 8 and HSL 45°, 91%, 36%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#B28708#B28708

HEX#B28708

RGBrgb(178, 135, 8)

RGB (0–1)0.698, 0.5294, 0.0314

RGB percentages69.8%, 52.9%, 3.1%

HSLhsl(44.8, 91.4%, 36.5%)

HSV / HSBhsv(44.8, 95.5%, 69.8%)

CMYK0%, 24.2%, 95.5%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,699,976

CSS custom property--colour: #B28708;

Brightness & contrast

Relative luminance0.2681WCAG 2.x, 0 is black and 1 is white

Perceived brightness142.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.36:1

Contrast with white3.3:1WCAG normal text: Fail

Contrast with black6.36:1WCAG normal text: AA

Greyscale equivalent#878787

Inverted#4D78F7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9A8700no red cones; affects about 1% of men; ΔE 11.6 from the original

Deuteranopia#A49215no green cones; the most common form, about 1% of men; ΔE 12.4 from the original

Tritanopia#C27973no blue cones; rare, and affects men and women equally; ΔE 51.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.3:1WCAG large text: AA

Contrast with black, large text6.36:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 3.3 Goldenrod · ΔE 13.7 Peru · ΔE 21.1 Olive · ΔE 21.5 Sandy brown · ΔE 27.4 Orange · ΔE 28.8

Nearest named CSS colourDark goldenrod (#B8860B)ΔE 3.34, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0833B2

Analogous#B23208, #88B208

Triadic#08B287, #8708B2

Split complementary#0888B2, #3208B2

Tetradic#08B232, #0833B2, #B20888

Tints, shades & saturation

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

Lighter +40%#FADE8C

Lighter +30%#F8D05B

Lighter +20%#F5C22B

Lighter +10%#E3AC0A

Darker −10%#816206

Darker −20%#503D04

Darker −30%#201801

Darker −40%#000000

More saturated +25%#BA8B00

Less saturated −25%#9B7C1F

Channel breakdown

R178

G135

Red178 (69.8%)

Green135 (52.9%)

Blue8 (3.1%)

Hue44.82°

Saturation (HSL)91.4%

Lightness36.47%

Dominant channelRed

Hex per channelR B2 · G 87 · B 08

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B28708 (chemical formula)

Formula
310,333.48 g/mol
28708 atoms

B28708 has a molar mass of 310,333.48 g/mol, made up of 28708 atoms across 1 element: 28708 × B.

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Molar mass

Molar mass310,333.48 g/mol

Total atoms per molecule28708

Distinct elements1

Mass of one molecule5.1532087 × 10^-19 g

Molecules per gram1.9405385 × 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%

Boron (B × 28708)310,333.48 g/mol, 100%

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Elements in this formula

Boron

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