Recognised as Colour

#B7B523

#B7B523
Yellow
Dark
Nearest: Olive

#B7B523 is a yellow with RGB values 183, 181, 35 and HSL 59°, 68%, 43%. It is a dark colour, so black text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Olive.

Colour values

#B7B523#B7B523

HEX#B7B523

RGBrgb(183, 181, 35)

RGB (0–1)0.7176, 0.7098, 0.1373

RGB percentages71.8%, 71%, 13.7%

HSLhsl(59.2, 67.9%, 42.7%)

HSV / HSBhsv(59.2, 80.9%, 71.8%)

CMYK0%, 1.1%, 80.9%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,039,459

CSS custom property--colour: #B7B523;

Brightness & contrast

Relative luminance0.43236WCAG 2.x, 0 is black and 1 is white

Perceived brightness171.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.65:1

Contrast with white2.18:1WCAG normal text: Fail

Contrast with black9.65:1WCAG normal text: AAA

Greyscale equivalent#ABABAB

Inverted#484ADC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C4AD00no red cones; affects about 1% of men; ΔE 10.8 from the original

Deuteranopia#C6B231no green cones; the most common form, about 1% of men; ΔE 9.2 from the original

Tritanopia#C5A99Bno blue cones; rare, and affects men and women equally; ΔE 61 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.18:1WCAG large text: Fail

Contrast with black, large text9.65:1WCAG large text: AAA

Named colours

Olive · ΔE 22.7 Yellow green · ΔE 23.4 Goldenrod · ΔE 23.7 Olivedrab · ΔE 27.9 Gold · ΔE 28.2 Dark goldenrod · ΔE 28.3

Nearest named CSS colourOlive (#808000)ΔE 22.67, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2325B7

Analogous#B76B23, #6FB723

Triadic#23B7B5, #B523B7

Split complementary#236FB7, #6B23B7

Tetradic#23B76B, #2325B7, #B7236F

Tints, shades & saturation

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

Lighter +40%#F1F0B5

Lighter +30%#E9E78A

Lighter +20%#E0DF60

Lighter +10%#D8D635

Darker −10%#8C8B1B

Darker −20%#616013

Darker −30%#37360A

Darker −40%#0C0C02

More saturated +25%#D2D008

Less saturated −25%#9C9A3E

Channel breakdown

R183

G181

B35

Red183 (71.8%)

Green181 (71%)

Blue35 (13.7%)

Hue59.19°

Saturation (HSL)67.89%

Lightness42.75%

Dominant channelRed

Hex per channelR B7 · G B5 · B 23

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B7B523 (chemical formula)

Formula
5,729.3 g/mol
530 atoms

B7B523 has a molar mass of 5,729.3 g/mol, made up of 530 atoms across 1 element: 530 × B.

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Molar mass

Molar mass5,729.3 g/mol

Total atoms per molecule530

Distinct elements1

Mass of one molecule9.5137265 × 10^-21 g

Molecules per gram1.0511128 × 10^20

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 × 530)5,729.3 g/mol, 100%

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Elements in this formula

Boron

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