Recognised as Colour

#B1922F

#B1922F
Yellow
Dark
Nearest: Dark goldenrod

#B1922F is a yellow with RGB values 177, 146, 47 and HSL 46°, 58%, 44%. It is a dark colour, so black text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#B1922F#B1922F

HEX#B1922F

RGBrgb(177, 146, 47)

RGB (0–1)0.6941, 0.5725, 0.1843

RGB percentages69.4%, 57.3%, 18.4%

HSLhsl(45.7, 58%, 43.9%)

HSV / HSBhsv(45.7, 73.4%, 69.4%)

CMYK0%, 17.5%, 73.4%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,637,295

CSS custom property--colour: #B1922F;

Brightness & contrast

Relative luminance0.3011WCAG 2.x, 0 is black and 1 is white

Perceived brightness148.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.02:1

Contrast with white2.99:1WCAG normal text: Fail

Contrast with black7.02:1WCAG normal text: AAA

Greyscale equivalent#919191

Inverted#4E6DD0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A29020no red cones; affects about 1% of men; ΔE 7.3 from the original

Deuteranopia#AA9934no green cones; the most common form, about 1% of men; ΔE 6.8 from the original

Tritanopia#C0867Eno blue cones; rare, and affects men and women equally; ΔE 45.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.99:1WCAG large text: Fail

Contrast with black, large text7.02:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 12.6 Olive · ΔE 17.4 Goldenrod · ΔE 18.8 Peru · ΔE 21.1 Dark khaki · ΔE 21.3 Sandy brown · ΔE 26

Nearest named CSS colourDark goldenrod (#B8860B)ΔE 12.56, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2F4EB1

Analogous#B1512F, #8FB12F

Triadic#2FB192, #922FB1

Split complementary#2F8FB1, #512FB1

Tetradic#2FB151, #2F4EB1, #B12F8F

Tints, shades & saturation

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

Lighter +40%#EEE2BE

Lighter +30%#E3D196

Lighter +20%#D8BF6E

Lighter +10%#CEAD45

Darker −10%#897124

Darker −20%#60501A

Darker −30%#382E0F

Darker −40%#100D04

More saturated +25%#CDA113

Less saturated −25%#95834B

Channel breakdown

R177

G146

B47

Red177 (69.4%)

Green146 (57.3%)

Blue47 (18.4%)

Hue45.69°

Saturation (HSL)58.04%

Lightness43.92%

Dominant channelRed

Hex per channelR B1 · G 92 · B 2F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B1922F (chemical formula)

Formula
20,795.818 g/mol
1923 atoms

B1922F has a molar mass of 20,795.818 g/mol, made up of 1923 atoms across 2 elements: 1922 × B, 1 × F.

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Molar mass

Molar mass20,795.818 g/mol

Total atoms per molecule1923

Distinct elements2

Mass of one molecule3.4532268 × 10^-20 g

Molecules per gram2.8958422 × 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 × 1922)20,776.82 g/mol, 99.909%

Fluorine (F)18.998 g/mol, 0.091%

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Elements in this formula

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