Recognised as Colour

#FEF5C5

#FEF5C5
Yellow
Light
Nearest: Lemon chiffon

#FEF5C5 is a yellow with RGB values 254, 245, 197 and HSL 51°, 97%, 88%. It is a light colour, so black text on it reaches 19.1:1 contrast (AAA for normal text). The nearest named colour is Lemon chiffon.

Colour values

#FEF5C5#FEF5C5

HEX#FEF5C5

RGBrgb(254, 245, 197)

RGB (0–1)0.9961, 0.9608, 0.7725

RGB percentages99.6%, 96.1%, 77.3%

HSLhsl(50.5, 96.6%, 88.4%)

HSV / HSBhsv(50.5, 22.4%, 99.6%)

CMYK0%, 3.5%, 22.4%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,709,061

CSS custom property--colour: #FEF5C5;

Brightness & contrast

Relative luminance0.90407WCAG 2.x, 0 is black and 1 is white

Perceived brightness242.8 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 19.08:1

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

Contrast with black19.08:1WCAG normal text: AAA

Greyscale equivalent#F3F3F3

Inverted#010A3A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFF2C2no red cones; affects about 1% of men; ΔE 1.7 from the original

Deuteranopia#FFF6C7no green cones; the most common form, about 1% of men; ΔE 0.6 from the original

Tritanopia#FFEEE8no blue cones; rare, and affects men and women equally; ΔE 21.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

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

Contrast with black, large text19.08:1WCAG large text: AAA

Named colours

Lemon chiffon · ΔE 2.7 Light goldenrod yellow · ΔE 5.6 Moccasin · ΔE 8.4 Pale goldenrod · ΔE 8.9 Wheat · ΔE 9 Light yellow · ΔE 9.9

Nearest named CSS colourLemon chiffon (#FFFACD)ΔE 2.7, a close match

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#C5CEFE

Analogous#FED9C5, #EAFEC5

Triadic#C5FEF5, #F5C5FE

Split complementary#C5EAFE, #D9C5FE

Tetradic#C5FED9, #C5CEFE, #FEC5EA

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFFFF

Lighter +10%#FFFEF7

Darker −10%#FDEC93

Darker −20%#FCE461

Darker −30%#FBDB2F

Darker −40%#F3CD04

More saturated +25%#FFF6C4

Less saturated −25%#F7F0CC

Channel breakdown

R254

G245

B197

Red254 (99.6%)

Green245 (96.1%)

Blue197 (77.3%)

Hue50.53°

Saturation (HSL)96.61%

Lightness88.43%

Dominant channelRed

Hex per channelR FE · G F5 · B C5

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FeF5C5 (chemical formula)

Formula
210.89 g/mol
11 atoms

FeF5C5 has a molar mass of 210.89 g/mol, made up of 11 atoms across 3 elements: 1 × Fe, 5 × F, 5 × C.

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Molar mass

Molar mass210.89 g/mol

Total atoms per molecule11

Distinct elements3

Mass of one molecule3.5019108 × 10^-22 g

Molecules per gram2.8555838 × 10^21

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

Fe26.5%

F45%

C28.5%

Iron (Fe)55.845 g/mol, 26.481%

Fluorine (F × 5)94.99 g/mol, 45.042%

Carbon (C × 5)60.055 g/mol, 28.477%

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Elements in this formula

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