Recognised as Colour

#B19904

#B19904
Yellow
Dark
Nearest: Goldenrod

#B19904 is a yellow with RGB values 177, 153, 4 and HSL 52°, 96%, 35%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#B19904#B19904

HEX#B19904

RGBrgb(177, 153, 4)

RGB (0–1)0.6941, 0.6, 0.0157

RGB percentages69.4%, 60%, 1.6%

HSLhsl(51.7, 95.6%, 35.5%)

HSV / HSBhsv(51.7, 97.7%, 69.4%)

CMYK0%, 13.6%, 97.7%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,639,044

CSS custom property--colour: #B19904;

Brightness & contrast

Relative luminance0.32138WCAG 2.x, 0 is black and 1 is white

Perceived brightness152 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.43:1

Contrast with white2.83:1WCAG normal text: Fail

Contrast with black7.43:1WCAG normal text: AAA

Greyscale equivalent#939393

Inverted#4E66FB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#AA9500no red cones; affects about 1% of men; ΔE 2.3 from the original

Deuteranopia#B09D19no green cones; the most common form, about 1% of men; ΔE 3.8 from the original

Tritanopia#C08C82no blue cones; rare, and affects men and women equally; ΔE 57.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.83:1WCAG large text: Fail

Contrast with black, large text7.43:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 14.5 Dark goldenrod · ΔE 14.8 Olive · ΔE 17.8 Dark khaki · ΔE 29.4 Olivedrab · ΔE 31 Gold · ΔE 31.3

Nearest named CSS colourGoldenrod (#DAA520)ΔE 14.51, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#041CB1

Analogous#B14204, #73B104

Triadic#04B199, #9904B1

Split complementary#0473B1, #4204B1

Tetradic#04B142, #041CB1, #B10473

Tints, shades & saturation

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

Lighter +40%#FCEC85

Lighter +30%#FBE453

Lighter +20%#FADC21

Lighter +10%#E3C405

Darker −10%#7F6E03

Darker −20%#4D4302

Darker −30%#1B1801

Darker −40%#000000

More saturated +25%#B59C00

Less saturated −25%#9A891B

Channel breakdown

R177

G153

Red177 (69.4%)

Green153 (60%)

Blue4 (1.6%)

Hue51.68°

Saturation (HSL)95.58%

Lightness35.49%

Dominant channelRed

Hex per channelR B1 · G 99 · B 04

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B19904 (chemical formula)

Formula
215,162.24 g/mol
19904 atoms

B19904 has a molar mass of 215,162.24 g/mol, made up of 19904 atoms across 1 element: 19904 × B.

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Molar mass

Molar mass215,162.24 g/mol

Total atoms per molecule19904

Distinct elements1

Mass of one molecule3.5728531 × 10^-19 g

Molecules per gram2.7988837 × 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 × 19904)215,162.24 g/mol, 100%

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Elements in this formula

Boron

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