Recognised as Colour

#BFAC38

#BFAC38
Yellow
Dark
Nearest: Goldenrod

#BFAC38 is a yellow with RGB values 191, 172, 56 and HSL 52°, 55%, 48%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#BFAC38#BFAC38

HEX#BFAC38

RGBrgb(191, 172, 56)

RGB (0–1)0.749, 0.6745, 0.2196

RGB percentages74.9%, 67.5%, 22%

HSLhsl(51.6, 54.7%, 48.4%)

HSV / HSBhsv(51.6, 70.7%, 74.9%)

CMYK0%, 9.9%, 70.7%, 25.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,561,464

CSS custom property--colour: #BFAC38;

Brightness & contrast

Relative luminance0.40867WCAG 2.x, 0 is black and 1 is white

Perceived brightness169.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.17:1

Contrast with white2.29:1WCAG normal text: Fail

Contrast with black9.17:1WCAG normal text: AAA

Greyscale equivalent#A8A8A8

Inverted#4053C7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#BCA726no red cones; affects about 1% of men; ΔE 5 from the original

Deuteranopia#C2AE3Fno green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#CE9F95no blue cones; rare, and affects men and women equally; ΔE 52.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.29:1WCAG large text: Fail

Contrast with black, large text9.17:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 17.5 Olive · ΔE 19.6 Dark goldenrod · ΔE 19.7 Dark khaki · ΔE 20.3 Khaki · ΔE 24.9 Olivedrab · ΔE 28.6

Nearest named CSS colourGoldenrod (#DAA520)ΔE 17.53, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#384BBF

Analogous#BF6838, #8FBF38

Triadic#38BFAC, #AC38BF

Split complementary#388FBF, #6938BF

Tetradic#38BF69, #384BBF, #BF388F

Tints, shades & saturation

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

Lighter +40%#F2EDD1

Lighter +30%#E6DEAA

Lighter +20%#DACE83

Lighter +10%#CFBF5B

Darker −10%#98882C

Darker −20%#706521

Darker −30%#494115

Darker −40%#211E0A

More saturated +25%#DEC219

Less saturated −25%#A09657

Channel breakdown

R191

G172

B56

Red191 (74.9%)

Green172 (67.5%)

Blue56 (22%)

Hue51.56°

Saturation (HSL)54.66%

Lightness48.43%

Dominant channelRed

Hex per channelR BF · G AC · B 38

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BFAc38 (chemical formula)

Formula
8,655.808 g/mol
40 atoms

BFAc38 has a molar mass of 8,655.808 g/mol, made up of 40 atoms across 3 elements: 1 × B, 1 × F, 38 × Ac.

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Molar mass

Molar mass8,655.808 g/mol

Total atoms per molecule40

Distinct elements3

Mass of one molecule1.4373307 × 10^-20 g

Molecules per gram6.957341 × 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

B0.1%

F0.2%

Ac99.7%

Boron (B)10.81 g/mol, 0.125%

Fluorine (F)18.998 g/mol, 0.219%

Actinium (Ac × 38)8,626 g/mol, 99.656%

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Elements in this formula

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