Recognised as Colour

#FFF373

#FFF373
Yellow
Light
Nearest: Khaki

#FFF373 is a yellow with RGB values 255, 243, 115 and HSL 55°, 100%, 73%. It is a light colour, so black text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Khaki.

Colour values

#FFF373#FFF373

HEX#FFF373

RGBrgb(255, 243, 115)

RGB (0–1)1, 0.9529, 0.451

RGB percentages100%, 95.3%, 45.1%

HSLhsl(54.9, 100%, 72.5%)

HSV / HSBhsv(54.9, 54.9%, 100%)

CMYK0%, 4.7%, 54.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,774,003

CSS custom property--colour: #FFF373;

Brightness & contrast

Relative luminance0.86599WCAG 2.x, 0 is black and 1 is white

Perceived brightness235.8 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.32:1

Contrast with white1.15:1WCAG normal text: Fail

Contrast with black18.32:1WCAG normal text: AAA

Greyscale equivalent#ECECEC

Inverted#000C8C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFEC66no red cones; affects about 1% of men; ΔE 4.7 from the original

Deuteranopia#FFF279no green cones; the most common form, about 1% of men; ΔE 3.1 from the original

Tritanopia#FFE5D7no blue cones; rare, and affects men and women equally; ΔE 55.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.15:1WCAG large text: Fail

Contrast with black, large text18.32:1WCAG large text: AAA

Named colours

Khaki · ΔE 17.8 Gold · ΔE 28 Dark khaki · ΔE 31.3 Pale goldenrod · ΔE 31.6 Goldenrod · ΔE 31.9 Yellow green · ΔE 32.2

Nearest named CSS colourKhaki (#F0E68C)ΔE 17.84, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#737FFF

Analogous#FFAD73, #C5FF73

Triadic#73FFF3, #F373FF

Split complementary#73C5FF, #AD73FF

Tetradic#73FFAD, #737FFF, #FF73C5

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFCD9

Lighter +10%#FFF7A6

Darker −10%#FFEF40

Darker −20%#FFEA0D

Darker −30%#D9C600

Darker −40%#A69800

More saturated +25%#FFF373

Less saturated −25%#EEE484

Channel breakdown

R255

G243

B115

Red255 (100%)

Green243 (95.3%)

Blue115 (45.1%)

Hue54.86°

Saturation (HSL)100%

Lightness72.55%

Dominant channelRed

Hex per channelR FF · G F3 · B 73

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFF373 (chemical formula)

Formula
7,124.25 g/mol
375 atoms

FFF373 has a molar mass of 7,124.25 g/mol, made up of 375 atoms across 1 element: 375 × F.

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Molar mass

Molar mass7,124.25 g/mol

Total atoms per molecule375

Distinct elements1

Mass of one molecule1.1830095 × 10^-20 g

Molecules per gram8.4530172 × 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

F100%

Fluorine (F × 375)7,124.25 g/mol, 100%

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Elements in this formula

Fluorine

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