Recognised as Colour

#FFF956

#FFF956
Yellow
Light
Nearest: Yellow

#FFF956 is a yellow with RGB values 255, 249, 86 and HSL 58°, 100%, 67%. It is a light colour, so black text on it reaches 18.9:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FFF956#FFF956

HEX#FFF956

RGBrgb(255, 249, 86)

RGB (0–1)1, 0.9765, 0.3373

RGB percentages100%, 97.6%, 33.7%

HSLhsl(57.9, 100%, 66.9%)

HSV / HSBhsv(57.9, 66.3%, 100%)

CMYK0%, 2.4%, 66.3%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,775,510

CSS custom property--colour: #FFF956;

Brightness & contrast

Relative luminance0.89683WCAG 2.x, 0 is black and 1 is white

Perceived brightness238.1 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.94:1

Contrast with white1.11:1WCAG normal text: Fail

Contrast with black18.94:1WCAG normal text: AAA

Greyscale equivalent#EFEFEF

Inverted#0006A9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFF03Eno red cones; affects about 1% of men; ΔE 7.1 from the original

Deuteranopia#FFF661no green cones; the most common form, about 1% of men; ΔE 5.4 from the original

Tritanopia#FFE9D8no blue cones; rare, and affects men and women equally; ΔE 67.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.11:1WCAG large text: Fail

Contrast with black, large text18.94:1WCAG large text: AAA

Named colours

Yellow · ΔE 19.8 Gold · ΔE 20.7 Yellow green · ΔE 30.2 Khaki · ΔE 31.8 Goldenrod · ΔE 36 Green yellow · ΔE 36.8

Nearest named CSS colourYellow (#FFFF00)ΔE 19.79, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#565CFF

Analogous#FFA556, #B0FF56

Triadic#56FFF9, #F956FF

Split complementary#56B0FF, #A556FF

Tetradic#56FFA5, #565CFF, #FF56B0

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFEEF

Lighter +20%#FFFDBC

Lighter +10%#FFFB89

Darker −10%#FFF723

Darker −20%#EFE700

Darker −30%#BCB500

Darker −40%#898400

More saturated +25%#FFF956

Less saturated −25%#EAE56B

Channel breakdown

R255

G249

B86

Red255 (100%)

Green249 (97.6%)

Blue86 (33.7%)

Hue57.87°

Saturation (HSL)100%

Lightness66.86%

Dominant channelRed

Hex per channelR FF · G F9 · B 56

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFF956 (chemical formula)

Formula
18,200.084 g/mol
958 atoms

FFF956 has a molar mass of 18,200.084 g/mol, made up of 958 atoms across 1 element: 958 × F.

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Molar mass

Molar mass18,200.084 g/mol

Total atoms per molecule958

Distinct elements1

Mass of one molecule3.0221951 × 10^-20 g

Molecules per gram3.3088533 × 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 × 958)18,200.084 g/mol, 100%

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Elements in this formula

Fluorine

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