Recognised as Colour

#FEFF50

#FEFF50
Yellow
Light
Nearest: Yellow

#FEFF50 is a yellow with RGB values 254, 255, 80 and HSL 60°, 100%, 66%. It is a light colour, so black text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FEFF50#FEFF50

HEX#FEFF50

RGBrgb(254, 255, 80)

RGB (0–1)0.9961, 1, 0.3137

RGB percentages99.6%, 100%, 31.4%

HSLhsl(60.3, 100%, 65.7%)

HSV / HSBhsv(60.3, 68.6%, 100%)

CMYK0.4%, 0%, 68.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,711,504

CSS custom property--colour: #FEFF50;

Brightness & contrast

Relative luminance0.9317WCAG 2.x, 0 is black and 1 is white

Perceived brightness241.2 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 19.63:1

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

Contrast with black19.63:1WCAG normal text: AAA

Greyscale equivalent#F2F2F2

Inverted#0100AF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFF432no red cones; affects about 1% of men; ΔE 8.4 from the original

Deuteranopia#FFFA5Dno green cones; the most common form, about 1% of men; ΔE 7 from the original

Tritanopia#FFEFDDno blue cones; rare, and affects men and women equally; ΔE 72 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 text19.63:1WCAG large text: AAA

Named colours

Yellow · ΔE 15.6 Gold · ΔE 22.4 Yellow green · ΔE 30.1 Green yellow · ΔE 33 Khaki · ΔE 36.4 Goldenrod · ΔE 40.3

Nearest named CSS colourYellow (#FFFF00)ΔE 15.6, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5150FF

Analogous#FFA950, #A6FF50

Triadic#50FEFF, #FF50FE

Split complementary#50A6FF, #A950FF

Tetradic#50FFA9, #5150FF, #FF50A6

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFE9

Lighter +20%#FFFFB6

Lighter +10%#FEFF83

Darker −10%#FEFF1D

Darker −20%#E8E900

Darker −30%#B5B600

Darker −40%#828300

More saturated +25%#FEFF50

Less saturated −25%#E8E966

Channel breakdown

R254

G255

B80

Red254 (99.6%)

Green255 (100%)

Blue80 (31.4%)

Hue60.34°

Saturation (HSL)100%

Lightness65.69%

Dominant channelGreen

Hex per channelR FE · G FF · B 50

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FeFF50 (chemical formula)

Formula
1,024.743 g/mol
52 atoms

FeFF50 has a molar mass of 1,024.743 g/mol, made up of 52 atoms across 2 elements: 1 × Fe, 51 × F.

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Molar mass

Molar mass1,024.743 g/mol

Total atoms per molecule52

Distinct elements2

Mass of one molecule1.7016258 × 10^-21 g

Molecules per gram5.8767328 × 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

Fe5.4%

F94.6%

Iron (Fe)55.845 g/mol, 5.45%

Fluorine (F × 51)968.898 g/mol, 94.55%

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