Recognised as Colour

#B77928

#B77928
Orange
Dark
Nearest: Peru

#B77928 is a orange with RGB values 183, 121, 40 and HSL 34°, 64%, 44%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Peru.

Colour values

#B77928#B77928

HEX#B77928

RGBrgb(183, 121, 40)

RGB (0–1)0.7176, 0.4745, 0.1569

RGB percentages71.8%, 47.5%, 15.7%

HSLhsl(34, 64.1%, 43.7%)

HSV / HSBhsv(34, 78.1%, 71.8%)

CMYK0%, 33.9%, 78.1%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,024,104

CSS custom property--colour: #B77928;

Brightness & contrast

Relative luminance0.23895WCAG 2.x, 0 is black and 1 is white

Perceived brightness137.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.78:1

Contrast with white3.63:1WCAG normal text: Fail

Contrast with black5.78:1WCAG normal text: AA

Greyscale equivalent#808080

Inverted#4886D7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8E7D1Cno red cones; affects about 1% of men; ΔE 21.7 from the original

Deuteranopia#9C8C2Ano green cones; the most common form, about 1% of men; ΔE 22.7 from the original

Tritanopia#C86A69no blue cones; rare, and affects men and women equally; ΔE 39.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.63:1WCAG large text: AA

Contrast with black, large text5.78:1WCAG large text: AAA

Named colours

Peru · ΔE 7.9 Dark goldenrod · ΔE 13.9 Sandy brown · ΔE 19.4 Chocolate · ΔE 20.4 Saddle brown · ΔE 23.1 Sienna · ΔE 23.3

Nearest named CSS colourPeru (#CD853F)ΔE 7.88, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2866B7

Analogous#B73128, #AEB728

Triadic#28B779, #7928B7

Split complementary#28AEB7, #3128B7

Tetradic#28B731, #2866B7, #B728AE

Tints, shades & saturation

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

Lighter +40%#F0D9BB

Lighter +30%#E7C291

Lighter +20%#DEAA67

Lighter +10%#D5933D

Darker −10%#8D5D1F

Darker −20%#634216

Darker −30%#39260D

Darker −40%#100A03

More saturated +25%#D37D0C

Less saturated −25%#9B7544

Channel breakdown

R183

G121

B40

Red183 (71.8%)

Green121 (47.5%)

Blue40 (15.7%)

Hue33.99°

Saturation (HSL)64.13%

Lightness43.73%

Dominant channelRed

Hex per channelR B7 · G 79 · B 28

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B77928 (chemical formula)

Formula
842,401.68 g/mol
77928 atoms

B77928 has a molar mass of 842,401.68 g/mol, made up of 77928 atoms across 1 element: 77928 × B.

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Molar mass

Molar mass842,401.68 g/mol

Total atoms per molecule77928

Distinct elements1

Mass of one molecule1.3988409 × 10^-18 g

Molecules per gram7.1487758 × 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 × 77928)842,401.68 g/mol, 100%

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Elements in this formula

Boron

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