Recognised as Colour

#FFF9C1

#FFF9C1
Yellow
Light
Nearest: Lemon chiffon

#FFF9C1 is a yellow with RGB values 255, 249, 193 and HSL 54°, 100%, 88%. It is a light colour, so black text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Lemon chiffon.

Colour values

#FFF9C1#FFF9C1

HEX#FFF9C1

RGBrgb(255, 249, 193)

RGB (0–1)1, 0.9765, 0.7569

RGB percentages100%, 97.6%, 75.7%

HSLhsl(54.2, 100%, 87.8%)

HSV / HSBhsv(54.2, 24.3%, 100%)

CMYK0%, 2.4%, 24.3%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,775,617

CSS custom property--colour: #FFF9C1;

Brightness & contrast

Relative luminance0.92862WCAG 2.x, 0 is black and 1 is white

Perceived brightness245.1 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 19.57:1

Contrast with white1.07:1WCAG normal text: Fail

Contrast with black19.57:1WCAG normal text: AAA

Greyscale equivalent#F6F6F6

Inverted#00063E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFF5BDno red cones; affects about 1% of men; ΔE 1.9 from the original

Deuteranopia#FFF8C3no green cones; the most common form, about 1% of men; ΔE 1.5 from the original

Tritanopia#FFF1EAno blue cones; rare, and affects men and women equally; ΔE 24.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.07:1WCAG large text: Fail

Contrast with black, large text19.57:1WCAG large text: AAA

Named colours

Lemon chiffon · ΔE 5.6 Pale goldenrod · ΔE 6.9 Light goldenrod yellow · ΔE 8.4 Moccasin · ΔE 10.6 Wheat · ΔE 11.8 Light yellow · ΔE 13.1

Nearest named CSS colourLemon chiffon (#FFFACD)ΔE 5.58, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#C1C7FF

Analogous#FFDAC1, #E6FFC1

Triadic#C1FFF9, #F9C1FF

Split complementary#C1E6FF, #DAC1FF

Tetradic#C1FFDA, #C1C7FF, #FFC1E6

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFFFF

Lighter +10%#FFFEF4

Darker −10%#FFF48E

Darker −20%#FFEF5B

Darker −30%#FFEA28

Darker −40%#F4DC00

More saturated +25%#FFF9C1

Less saturated −25%#F7F3C9

Channel breakdown

R255

G249

B193

Red255 (100%)

Green249 (97.6%)

Blue193 (75.7%)

Hue54.19°

Saturation (HSL)100%

Lightness87.84%

Dominant channelRed

Hex per channelR FF · G F9 · B C1

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFF9C1 (chemical formula)

Formula
220.989 g/mol
12 atoms

FFF9C1 has a molar mass of 220.989 g/mol, made up of 12 atoms across 2 elements: 11 × F, 1 × C.

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Molar mass

Molar mass220.989 g/mol

Total atoms per molecule12

Distinct elements2

Mass of one molecule3.6696087 × 10^-22 g

Molecules per gram2.7250862 × 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

F94.6%

C5.4%

Fluorine (F × 11)208.978 g/mol, 94.565%

Carbon (C)12.011 g/mol, 5.435%

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