Recognised as Colour

#C1B81C

#C1B81C
Yellow
Dark
Nearest: Goldenrod

#C1B81C is a yellow with RGB values 193, 184, 28 and HSL 57°, 75%, 43%. It is a dark colour, so black text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#C1B81C#C1B81C

HEX#C1B81C

RGBrgb(193, 184, 28)

RGB (0–1)0.7569, 0.7216, 0.1098

RGB percentages75.7%, 72.2%, 11%

HSLhsl(56.7, 74.7%, 43.3%)

HSV / HSBhsv(56.7, 85.5%, 75.7%)

CMYK0%, 4.7%, 85.5%, 24.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,695,580

CSS custom property--colour: #C1B81C;

Brightness & contrast

Relative luminance0.45702WCAG 2.x, 0 is black and 1 is white

Perceived brightness176.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.14:1

Contrast with white2.07:1WCAG normal text: Fail

Contrast with black10.14:1WCAG normal text: AAA

Greyscale equivalent#AFAFAF

Inverted#3E47E3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C9B100no red cones; affects about 1% of men; ΔE 7.7 from the original

Deuteranopia#CCB72Cno green cones; the most common form, about 1% of men; ΔE 6.7 from the original

Tritanopia#D0AB9Dno blue cones; rare, and affects men and women equally; ΔE 63.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.07:1WCAG large text: Fail

Contrast with black, large text10.14:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 21.3 Gold · ΔE 23.7 Olive · ΔE 25.7 Yellow green · ΔE 26 Dark goldenrod · ΔE 27.7 Khaki · ΔE 31.1

Nearest named CSS colourGoldenrod (#DAA520)ΔE 21.28, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1C25C1

Analogous#C1661C, #77C11C

Triadic#1CC1B8, #B81CC1

Split complementary#1C77C1, #661CC1

Tetradic#1CC166, #1C25C1, #C11C77

Tints, shades & saturation

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

Lighter +40%#F4F1B5

Lighter +30%#EEE888

Lighter +20%#E7E05C

Lighter +10%#E1D72F

Darker −10%#948E16

Darker −20%#68630F

Darker −30%#3B3909

Darker −40%#0F0E02

More saturated +25%#DDD100

Less saturated −25%#A59F38

Channel breakdown

R193

G184

B28

Red193 (75.7%)

Green184 (72.2%)

Blue28 (11%)

Hue56.73°

Saturation (HSL)74.66%

Lightness43.33%

Dominant channelRed

Hex per channelR C1 · G B8 · B 1C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C1B81C (chemical formula)

Formula
899.632 g/mol
83 atoms

C1B81C has a molar mass of 899.632 g/mol, made up of 83 atoms across 2 elements: 2 × C, 81 × B.

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Molar mass

Molar mass899.632 g/mol

Total atoms per molecule83

Distinct elements2

Mass of one molecule1.4938741 × 10^-21 g

Molecules per gram6.6940046 × 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

C2.7%

B97.3%

Carbon (C × 2)24.022 g/mol, 2.67%

Boron (B × 81)875.61 g/mol, 97.33%

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Elements in this formula

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