Colour

#FFEF9F

#FFEF9F
Yellow
Light
Nearest: Khaki

#FFEF9F is a yellow with RGB values 255, 239, 159 and HSL 50°, 100%, 81%. It is a light colour, so black text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Khaki.

Colour values

#FFEF9F#FFEF9F

HEX#FFEF9F

RGBrgb(255, 239, 159)

RGB (0–1)1, 0.9373, 0.6235

RGB percentages100%, 93.7%, 62.4%

HSLhsl(50, 100%, 81.2%)

HSV / HSBhsv(50, 37.6%, 100%)

CMYK0%, 6.3%, 37.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,773,023

CSS custom property--colour: #FFEF9F;

Brightness & contrast

Relative luminance0.85496WCAG 2.x, 0 is black and 1 is white

Perceived brightness236.3 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.1:1

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

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

Greyscale equivalent#EDEDED

Inverted#001060

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FEEB99no red cones; affects about 1% of men; ΔE 2.1 from the original

Deuteranopia#FFF1A2no green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#FFE4DBno blue cones; rare, and affects men and women equally; ΔE 35.6 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 text18.1:1WCAG large text: AAA

Named colours

Khaki · ΔE 6.6 Pale goldenrod · ΔE 10.3 Navajo white · ΔE 16.6 Moccasin · ΔE 16.6 Wheat · ΔE 18.8 Lemon chiffon · ΔE 18.8

Nearest named CSS colourKhaki (#F0E68C)ΔE 6.61, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9FAFFF

Analogous#FFBF9F, #DFFF9F

Triadic#9FFFEF, #EF9FFF

Split complementary#9FDFFF, #BF9FFF

Tetradic#9FFFBF, #9FAFFF, #FF9FDF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFFFF

Lighter +10%#FFF8D2

Darker −10%#FFE76C

Darker −20%#FFDE39

Darker −30%#FFD606

Darker −40%#D2AF00

More saturated +25%#FFEF9F

Less saturated −25%#F3E7AB

Channel breakdown

R255

G239

B159

Red255 (100%)

Green239 (93.7%)

Blue159 (62.4%)

Hue50°

Saturation (HSL)100%

Lightness81.18%

Dominant channelRed

Hex per channelR FF · G EF · B 9F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFeF9F (chemical formula)

Formula
264.823 g/mol
12 atoms

FFeF9F has a molar mass of 264.823 g/mol, made up of 12 atoms across 2 elements: 11 × F, 1 × Fe.

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Molar mass

Molar mass264.823 g/mol

Total atoms per molecule12

Distinct elements2

Mass of one molecule4.3974894 × 10^-22 g

Molecules per gram2.2740248 × 10^21

Composition by mass

F78.9%

Fe21.1%

Fluorine (F × 11)208.978 g/mol, 78.912%

Iron (Fe)55.845 g/mol, 21.088%

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