Recognised as Colour

#FEFF83

#FEFF83
Yellow
Light
Nearest: Khaki

#FEFF83 is a yellow with RGB values 254, 255, 131 and HSL 60°, 100%, 76%. It is a light colour, so black text on it reaches 19.8:1 contrast (AAA for normal text). The nearest named colour is Khaki.

Colour values

#FEFF83#FEFF83

HEX#FEFF83

RGBrgb(254, 255, 131)

RGB (0–1)0.9961, 1, 0.5137

RGB percentages99.6%, 100%, 51.4%

HSLhsl(60.5, 100%, 75.7%)

HSV / HSBhsv(60.5, 48.6%, 100%)

CMYK0.4%, 0%, 48.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,711,555

CSS custom property--colour: #FEFF83;

Brightness & contrast

Relative luminance0.9423WCAG 2.x, 0 is black and 1 is white

Perceived brightness243.8 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 19.85:1

Contrast with white1.06:1WCAG normal text: Fail

Contrast with black19.85:1WCAG normal text: AAA

Greyscale equivalent#F6F6F6

Inverted#01007C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFF678no red cones; affects about 1% of men; ΔE 5 from the original

Deuteranopia#FFFB89no green cones; the most common form, about 1% of men; ΔE 4.8 from the original

Tritanopia#FFF2E3no blue cones; rare, and affects men and women equally; ΔE 53.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.06:1WCAG large text: Fail

Contrast with black, large text19.85:1WCAG large text: AAA

Named colours

Khaki · ΔE 17.3 Pale goldenrod · ΔE 29.8 Yellow green · ΔE 31.1 Dark khaki · ΔE 32 Gold · ΔE 33.9 Yellow · ΔE 36.3

Nearest named CSS colourKhaki (#F0E68C)ΔE 17.25, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8483FF

Analogous#FFC283, #C0FF83

Triadic#83FEFF, #FF83FE

Split complementary#83C0FF, #C283FF

Tetradic#83FFC2, #8483FF, #FF83C0

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFFE9

Lighter +10%#FEFFB6

Darker −10%#FEFF50

Darker −20%#FDFF1D

Darker −30%#E7E900

Darker −40%#B5B600

More saturated +25%#FEFF83

Less saturated −25%#EFF093

Channel breakdown

R254

G255

B131

Red254 (99.6%)

Green255 (100%)

Blue131 (51.4%)

Hue60.48°

Saturation (HSL)100%

Lightness75.69%

Dominant channelGreen

Hex per channelR FE · G FF · B 83

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FeFF83 (chemical formula)

Formula
1,651.677 g/mol
85 atoms

FeFF83 has a molar mass of 1,651.677 g/mol, made up of 85 atoms across 2 elements: 1 × Fe, 84 × F.

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Molar mass

Molar mass1,651.677 g/mol

Total atoms per molecule85

Distinct elements2

Mass of one molecule2.7426742 × 10^-21 g

Molecules per gram3.6460765 × 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

Fe3.4%

F96.6%

Iron (Fe)55.845 g/mol, 3.381%

Fluorine (F × 84)1,595.832 g/mol, 96.619%

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