Recognised as Colour

#FFF979

#FFF979
Yellow
Light
Nearest: Khaki

#FFF979 is a yellow with RGB values 255, 249, 121 and HSL 57°, 100%, 74%. It is a light colour, so black text on it reaches 19.1:1 contrast (AAA for normal text). The nearest named colour is Khaki.

Colour values

#FFF979#FFF979

HEX#FFF979

RGBrgb(255, 249, 121)

RGB (0–1)1, 0.9765, 0.4745

RGB percentages100%, 97.6%, 47.5%

HSLhsl(57.3, 100%, 73.7%)

HSV / HSBhsv(57.3, 52.5%, 100%)

CMYK0%, 2.4%, 52.5%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,775,545

CSS custom property--colour: #FFF979;

Brightness & contrast

Relative luminance0.90392WCAG 2.x, 0 is black and 1 is white

Perceived brightness239.8 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 19.08:1

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

Contrast with black19.08:1WCAG normal text: AAA

Greyscale equivalent#F1F1F1

Inverted#000686

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFF16Dno red cones; affects about 1% of men; ΔE 4.7 from the original

Deuteranopia#FFF780no green cones; the most common form, about 1% of men; ΔE 4 from the original

Tritanopia#FFEBDCno blue cones; rare, and affects men and women equally; ΔE 54.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

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

Contrast with black, large text19.08:1WCAG large text: AAA

Named colours

Khaki · ΔE 18 Gold · ΔE 30.1 Yellow green · ΔE 31.3 Pale goldenrod · ΔE 31.4 Dark khaki · ΔE 32.1 Yellow · ΔE 34

Nearest named CSS colourKhaki (#F0E68C)ΔE 18.05, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#797FFF

Analogous#FFB679, #C2FF79

Triadic#79FFF9, #F979FF

Split complementary#79C2FF, #B679FF

Tetradic#79FFB6, #797FFF, #FF79C2

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFEDF

Lighter +10%#FFFBAC

Darker −10%#FFF746

Darker −20%#FFF413

Darker −30%#DFD500

Darker −40%#ACA400

More saturated +25%#FFF979

Less saturated −25%#EEEA8A

Channel breakdown

R255

G249

B121

Red255 (100%)

Green249 (97.6%)

Blue121 (47.5%)

Hue57.31°

Saturation (HSL)100%

Lightness73.73%

Dominant channelRed

Hex per channelR FF · G F9 · B 79

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFF979 (chemical formula)

Formula
18,637.038 g/mol
981 atoms

FFF979 has a molar mass of 18,637.038 g/mol, made up of 981 atoms across 1 element: 981 × F.

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Molar mass

Molar mass18,637.038 g/mol

Total atoms per molecule981

Distinct elements1

Mass of one molecule3.094753 × 10^-20 g

Molecules per gram3.2312757 × 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 × 981)18,637.038 g/mol, 100%

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Elements in this formula

Fluorine

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