Recognised as Colour

#FFF949

#FFF949
Yellow
Light
Nearest: Yellow

#FFF949 is a yellow with RGB values 255, 249, 73 and HSL 58°, 100%, 64%. 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

#FFF949#FFF949

HEX#FFF949

RGBrgb(255, 249, 73)

RGB (0–1)1, 0.9765, 0.2863

RGB percentages100%, 97.6%, 28.6%

HSLhsl(58, 100%, 64.3%)

HSV / HSBhsv(58, 71.4%, 100%)

CMYK0%, 2.4%, 71.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,775,497

CSS custom property--colour: #FFF949;

Brightness & contrast

Relative luminance0.89492WCAG 2.x, 0 is black and 1 is white

Perceived brightness237.6 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.9:1

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

Contrast with black18.9:1WCAG normal text: AAA

Greyscale equivalent#EEEEEE

Inverted#0006B6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFEF27no red cones; affects about 1% of men; ΔE 8.3 from the original

Deuteranopia#FFF656no green cones; the most common form, about 1% of men; ΔE 5.7 from the original

Tritanopia#FFE9D7no blue cones; rare, and affects men and women equally; ΔE 71.8 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 text18.9:1WCAG large text: AAA

Named colours

Yellow · ΔE 15.3 Gold · ΔE 19 Yellow green · ΔE 31.4 Green yellow · ΔE 35.6 Khaki · ΔE 36.3 Goldenrod · ΔE 37.5

Nearest named CSS colourYellow (#FFFF00)ΔE 15.31, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#494FFF

Analogous#FF9E49, #AAFF49

Triadic#49FFF9, #F949FF

Split complementary#49AAFF, #9E49FF

Tetradic#49FF9E, #494FFF, #FF49AA

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFEE2

Lighter +20%#FFFCAF

Lighter +10%#FFFB7C

Darker −10%#FFF716

Darker −20%#E2DB00

Darker −30%#AFA900

Darker −40%#7C7800

More saturated +25%#FFF949

Less saturated −25%#E8E460

Channel breakdown

R255

G249

B73

Red255 (100%)

Green249 (97.6%)

Blue73 (28.6%)

Hue58.02°

Saturation (HSL)100%

Lightness64.31%

Dominant channelRed

Hex per channelR FF · G F9 · B 49

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFF949 (chemical formula)

Formula
18,067.098 g/mol
951 atoms

FFF949 has a molar mass of 18,067.098 g/mol, made up of 951 atoms across 1 element: 951 × F.

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Molar mass

Molar mass18,067.098 g/mol

Total atoms per molecule951

Distinct elements1

Mass of one molecule3.0001122 × 10^-20 g

Molecules per gram3.3332087 × 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 × 951)18,067.098 g/mol, 100%

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Elements in this formula

Fluorine

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