Recognised as Colour

#C9B420

#C9B420
Yellow
Dark
Nearest: Goldenrod

#C9B420 is a yellow with RGB values 201, 180, 32 and HSL 53°, 73%, 46%. It is a dark colour, so black text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#C9B420#C9B420

HEX#C9B420

RGBrgb(201, 180, 32)

RGB (0–1)0.7882, 0.7059, 0.1255

RGB percentages78.8%, 70.6%, 12.5%

HSLhsl(52.5, 72.5%, 45.7%)

HSV / HSBhsv(52.5, 84.1%, 78.8%)

CMYK0%, 10.4%, 84.1%, 21.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,218,848

CSS custom property--colour: #C9B420;

Brightness & contrast

Relative luminance0.45164WCAG 2.x, 0 is black and 1 is white

Perceived brightness176.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.03:1

Contrast with white2.09:1WCAG normal text: Fail

Contrast with black10.03:1WCAG normal text: AAA

Greyscale equivalent#AEAEAE

Inverted#364BDF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C6AF00no red cones; affects about 1% of men; ΔE 4.2 from the original

Deuteranopia#CCB72Dno green cones; the most common form, about 1% of men; ΔE 2.8 from the original

Tritanopia#D9A69Ano blue cones; rare, and affects men and women equally; ΔE 61.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.09:1WCAG large text: Fail

Contrast with black, large text10.03:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 15.6 Gold · ΔE 22.7 Dark goldenrod · ΔE 22.8 Olive · ΔE 25.7 Khaki · ΔE 30.4 Dark khaki · ΔE 30.7

Nearest named CSS colourGoldenrod (#DAA520)ΔE 15.57, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2035C9

Analogous#C96020, #89C920

Triadic#20C9B4, #B420C9

Split complementary#208AC9, #5F20C9

Tetradic#20C960, #2035C9, #C9208A

Tints, shades & saturation

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

Lighter +40%#F5EEC0

Lighter +30%#EEE394

Lighter +20%#E7D768

Lighter +10%#E0CC3C

Darker −10%#9D8D19

Darker −20%#716512

Darker −30%#453E0B

Darker −40%#191604

More saturated +25%#E6CA03

Less saturated −25%#AC9E3D

Channel breakdown

R201

G180

B32

Red201 (78.8%)

Green180 (70.6%)

Blue32 (12.5%)

Hue52.54°

Saturation (HSL)72.53%

Lightness45.69%

Dominant channelRed

Hex per channelR C9 · G B4 · B 20

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C9B420 (chemical formula)

Formula
4,648.299 g/mol
429 atoms

C9B420 has a molar mass of 4,648.299 g/mol, made up of 429 atoms across 2 elements: 9 × C, 420 × B.

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Molar mass

Molar mass4,648.299 g/mol

Total atoms per molecule429

Distinct elements2

Mass of one molecule7.7186821 × 10^-21 g

Molecules per gram1.295558 × 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

C2.3%

B97.7%

Carbon (C × 9)108.099 g/mol, 2.326%

Boron (B × 420)4,540.2 g/mol, 97.674%

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Elements in this formula

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