Recognised as Colour

#FFE383

#FFE383
Yellow
Light
Nearest: Khaki

#FFE383 is a yellow with RGB values 255, 227, 131 and HSL 46°, 100%, 76%. It is a light colour, so black text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Khaki.

Colour values

#FFE383#FFE383

HEX#FFE383

RGBrgb(255, 227, 131)

RGB (0–1)1, 0.8902, 0.5137

RGB percentages100%, 89%, 51.4%

HSLhsl(46.5, 100%, 75.7%)

HSV / HSBhsv(46.5, 48.6%, 100%)

CMYK0%, 11%, 48.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,769,923

CSS custom property--colour: #FFE383;

Brightness & contrast

Relative luminance0.77837WCAG 2.x, 0 is black and 1 is white

Perceived brightness227.3 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.57:1

Contrast with white1.27:1WCAG normal text: Fail

Contrast with black16.57:1WCAG normal text: AAA

Greyscale equivalent#E2E2E2

Inverted#001C7C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F5DF7Bno red cones; affects about 1% of men; ΔE 3.5 from the original

Deuteranopia#FCE887no green cones; the most common form, about 1% of men; ΔE 3.6 from the original

Tritanopia#FFD6CCno blue cones; rare, and affects men and women equally; ΔE 42.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.27:1WCAG large text: Fail

Contrast with black, large text16.57:1WCAG large text: AAA

Named colours

Khaki · ΔE 8.3 Pale goldenrod · ΔE 19.8 Dark khaki · ΔE 21.4 Navajo white · ΔE 22.9 Moccasin · ΔE 24.3 Burlywood · ΔE 26.1

Nearest named CSS colourKhaki (#F0E68C)ΔE 8.33, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#839FFF

Analogous#FFA583, #DDFF83

Triadic#83FFE3, #E383FF

Split complementary#83DDFF, #A583FF

Tetradic#83FFA5, #839FFF, #FF83DD

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFAE9

Lighter +10%#FFEFB6

Darker −10%#FFD750

Darker −20%#FFCC1D

Darker −30%#E9B400

Darker −40%#B68D00

More saturated +25%#FFE383

Less saturated −25%#F0DA93

Channel breakdown

R255

G227

B131

Red255 (100%)

Green227 (89%)

Blue131 (51.4%)

Hue46.45°

Saturation (HSL)100%

Lightness75.69%

Dominant channelRed

Hex per channelR FF · G E3 · B 83

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFe383 (chemical formula)

Formula
21,407.633 g/mol
384 atoms

FFe383 has a molar mass of 21,407.633 g/mol, made up of 384 atoms across 2 elements: 1 × F, 383 × Fe.

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Molar mass

Molar mass21,407.633 g/mol

Total atoms per molecule384

Distinct elements2

Mass of one molecule3.5548211 × 10^-20 g

Molecules per gram2.8130811 × 10^19

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

F0.1%

Fe99.9%

Fluorine (F)18.998 g/mol, 0.089%

Iron (Fe × 383)21,388.635 g/mol, 99.911%

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Elements in this formula

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