Recognised as Colour

#FFFB68

#FFFB68
Yellow
Light
Nearest: Gold

#FFFB68 is a yellow with RGB values 255, 251, 104 and HSL 58°, 100%, 70%. It is a light colour, so black text on it reaches 19.3:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FFFB68#FFFB68

HEX#FFFB68

RGBrgb(255, 251, 104)

RGB (0–1)1, 0.9843, 0.4078

RGB percentages100%, 98.4%, 40.8%

HSLhsl(58.4, 100%, 70.4%)

HSV / HSBhsv(58.4, 59.2%, 100%)

CMYK0%, 1.6%, 59.2%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,776,040

CSS custom property--colour: #FFFB68;

Brightness & contrast

Relative luminance0.91254WCAG 2.x, 0 is black and 1 is white

Perceived brightness240.1 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 19.25:1

Contrast with white1.09:1WCAG normal text: Fail

Contrast with black19.25:1WCAG normal text: AAA

Greyscale equivalent#F1F1F1

Inverted#000497

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFF257no red cones; affects about 1% of men; ΔE 5.9 from the original

Deuteranopia#FFF871no green cones; the most common form, about 1% of men; ΔE 5.1 from the original

Tritanopia#FFECDCno blue cones; rare, and affects men and women equally; ΔE 62.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.09:1WCAG large text: Fail

Contrast with black, large text19.25:1WCAG large text: AAA

Named colours

Gold · ΔE 25.1 Khaki · ΔE 25.9 Yellow · ΔE 26 Yellow green · ΔE 29.5 Goldenrod · ΔE 35.8 Dark khaki · ΔE 38.4

Nearest named CSS colourGold (#FFD700)ΔE 25.11, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#686CFF

Analogous#FFAF68, #B8FF68

Triadic#68FFFB, #FB68FF

Split complementary#68B7FF, #B068FF

Tetradic#68FFAF, #686CFF, #FF68B7

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFECE

Lighter +10%#FFFC9B

Darker −10%#FFFA35

Darker −20%#FFF802

Darker −30%#CEC900

Darker −40%#9B9700

More saturated +25%#FFFB68

Less saturated −25%#ECE97B

Channel breakdown

R255

G251

B104

Red255 (100%)

Green251 (98.4%)

Blue104 (40.8%)

Hue58.41°

Saturation (HSL)100%

Lightness70.39%

Dominant channelRed

Hex per channelR FF · G FB · B 68

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFFB68 (chemical formula)

Formula
792.074 g/mol
71 atoms

FFFB68 has a molar mass of 792.074 g/mol, made up of 71 atoms across 2 elements: 3 × F, 68 × B.

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Molar mass

Molar mass792.074 g/mol

Total atoms per molecule71

Distinct elements2

Mass of one molecule1.3152698 × 10^-21 g

Molecules per gram7.6030027 × 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

F7.2%

B92.8%

Fluorine (F × 3)56.994 g/mol, 7.196%

Boron (B × 68)735.08 g/mol, 92.804%

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