Recognised as Colour

#FCF42C

#FCF42C
Yellow
Light
Nearest: Yellow

#FCF42C is a yellow with RGB values 252, 244, 44 and HSL 58°, 97%, 58%. It is a light colour, so black text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FCF42C#FCF42C

HEX#FCF42C

RGBrgb(252, 244, 44)

RGB (0–1)0.9882, 0.9569, 0.1725

RGB percentages98.8%, 95.7%, 17.3%

HSLhsl(57.7, 97.2%, 58%)

HSV / HSBhsv(57.7, 82.5%, 98.8%)

CMYK0%, 3.2%, 82.5%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,577,580

CSS custom property--colour: #FCF42C;

Brightness & contrast

Relative luminance0.85579WCAG 2.x, 0 is black and 1 is white

Perceived brightness232.7 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.12:1

Contrast with white1.16:1WCAG normal text: Fail

Contrast with black18.12:1WCAG normal text: AAA

Greyscale equivalent#E7E7E7

Inverted#030BD3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFEA00no red cones; affects about 1% of men; ΔE 7.3 from the original

Deuteranopia#FFF140no green cones; the most common form, about 1% of men; ΔE 6.6 from the original

Tritanopia#FFE3D1no blue cones; rare, and affects men and women equally; ΔE 77.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.16:1WCAG large text: Fail

Contrast with black, large text18.12:1WCAG large text: AAA

Named colours

Yellow · ΔE 9.7 Gold · ΔE 16.6 Yellow green · ΔE 33.9 Green yellow · ΔE 35.9 Goldenrod · ΔE 38.8 Khaki · ΔE 42.4

Nearest named CSS colourYellow (#FFFF00)ΔE 9.74, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2C34FC

Analogous#FC8C2C, #9CFC2C

Triadic#2CFCF4, #F42CFC

Split complementary#2C9CFC, #8C2CFC

Tetradic#2CFC8C, #2C34FC, #FC2C9C

Tints, shades & saturation

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

Lighter +40%#FFFEF5

Lighter +30%#FEFCC3

Lighter +20%#FDF991

Lighter +10%#FDF75E

Darker −10%#F2E803

Darker −20%#BFB803

Darker −30%#8D8802

Darker −40%#5B5701

More saturated +25%#FFF729

Less saturated −25%#E1DB47

Channel breakdown

R252

G244

B44

Red252 (98.8%)

Green244 (95.7%)

Blue44 (17.3%)

Hue57.69°

Saturation (HSL)97.2%

Lightness58.04%

Dominant channelRed

Hex per channelR FC · G F4 · B 2C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FCF42C (chemical formula)

Formula
840.936 g/mol
45 atoms

FCF42C has a molar mass of 840.936 g/mol, made up of 45 atoms across 2 elements: 43 × F, 2 × C.

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Molar mass

Molar mass840.936 g/mol

Total atoms per molecule45

Distinct elements2

Mass of one molecule1.3964071 × 10^-21 g

Molecules per gram7.1612355 × 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

F97.1%

C2.9%

Fluorine (F × 43)816.914 g/mol, 97.143%

Carbon (C × 2)24.022 g/mol, 2.857%

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