Recognised as Colour

#C4B303

#C4B303
Yellow
Dark
Nearest: Goldenrod

#C4B303 is a yellow with RGB values 196, 179, 3 and HSL 55°, 97%, 39%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#C4B303#C4B303

HEX#C4B303

RGBrgb(196, 179, 3)

RGB (0–1)0.7686, 0.702, 0.0118

RGB percentages76.9%, 70.2%, 1.2%

HSLhsl(54.7, 97%, 39%)

HSV / HSBhsv(54.7, 98.5%, 76.9%)

CMYK0%, 8.7%, 98.5%, 23.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,890,883

CSS custom property--colour: #C4B303;

Brightness & contrast

Relative luminance0.43983WCAG 2.x, 0 is black and 1 is white

Perceived brightness174.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.8:1

Contrast with white2.14:1WCAG normal text: Fail

Contrast with black9.8:1WCAG normal text: AAA

Greyscale equivalent#AAAAAA

Inverted#3B4CFC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C5AD00no red cones; affects about 1% of men; ΔE 3.9 from the original

Deuteranopia#CAB41Fno green cones; the most common form, about 1% of men; ΔE 4.5 from the original

Tritanopia#D4A598no blue cones; rare, and affects men and women equally; ΔE 65.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.14:1WCAG large text: Fail

Contrast with black, large text9.8:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 18.3 Gold · ΔE 21.1 Dark goldenrod · ΔE 25.5 Olive · ΔE 26.9 Yellow green · ΔE 30.2 Orange · ΔE 33.5

Nearest named CSS colourGoldenrod (#DAA520)ΔE 18.31, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0314C4

Analogous#C45203, #75C403

Triadic#03C4B3, #B303C4

Split complementary#0375C4, #5203C4

Tetradic#03C452, #0314C4, #C40375

Tints, shades & saturation

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

Lighter +40%#FDF496

Lighter +30%#FDEF63

Lighter +20%#FCEA31

Lighter +10%#F6E104

Darker −10%#928502

Darker −20%#605701

Darker −30%#2D2901

Darker −40%#000000

More saturated +25%#C7B500

Less saturated −25%#AB9F1C

Channel breakdown

R196

G179

Red196 (76.9%)

Green179 (70.2%)

Blue3 (1.2%)

Hue54.72°

Saturation (HSL)96.98%

Lightness39.02%

Dominant channelRed

Hex per channelR C4 · G B3 · B 03

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C4B303 (chemical formula)

Formula
3,323.474 g/mol
307 atoms

C4B303 has a molar mass of 3,323.474 g/mol, made up of 307 atoms across 2 elements: 4 × C, 303 × B.

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Molar mass

Molar mass3,323.474 g/mol

Total atoms per molecule307

Distinct elements2

Mass of one molecule5.5187584 × 10^-21 g

Molecules per gram1.8120018 × 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

C1.4%

B98.6%

Carbon (C × 4)48.044 g/mol, 1.446%

Boron (B × 303)3,275.43 g/mol, 98.554%

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