Recognised as Colour

#FFF945

#FFF945
Yellow
Light
Nearest: Yellow

#FFF945 is a yellow with RGB values 255, 249, 69 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

#FFF945#FFF945

HEX#FFF945

RGBrgb(255, 249, 69)

RGB (0–1)1, 0.9765, 0.2706

RGB percentages100%, 97.6%, 27.1%

HSLhsl(58.1, 100%, 63.5%)

HSV / HSBhsv(58.1, 72.9%, 100%)

CMYK0%, 2.4%, 72.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,775,493

CSS custom property--colour: #FFF945;

Brightness & contrast

Relative luminance0.89441WCAG 2.x, 0 is black and 1 is white

Perceived brightness237.4 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.89:1

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

Contrast with black18.89:1WCAG normal text: AAA

Greyscale equivalent#EDEDED

Inverted#0006BA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFEF1Eno red cones; affects about 1% of men; ΔE 8.6 from the original

Deuteranopia#FFF653no green cones; the most common form, about 1% of men; ΔE 5.9 from the original

Tritanopia#FFE9D7no blue cones; rare, and affects men and women equally; ΔE 73.1 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 text18.89:1WCAG large text: AAA

Named colours

Yellow · ΔE 14 Gold · ΔE 18.7 Yellow green · ΔE 31.8 Green yellow · ΔE 35.4 Khaki · ΔE 37.5 Goldenrod · ΔE 38

Nearest named CSS colourYellow (#FFFF00)ΔE 14.04, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#454BFF

Analogous#FF9C45, #A8FF45

Triadic#45FFF9, #F945FF

Split complementary#45A8FF, #9C45FF

Tetradic#45FF9C, #454BFF, #FF45A8

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFEDE

Lighter +20%#FFFCAB

Lighter +10%#FFFB78

Darker −10%#FFF712

Darker −20%#DED700

Darker −30%#ABA500

Darker −40%#787400

More saturated +25%#FFF945

Less saturated −25%#E8E35C

Channel breakdown

R255

G249

B69

Red255 (100%)

Green249 (97.6%)

Blue69 (27.1%)

Hue58.06°

Saturation (HSL)100%

Lightness63.53%

Dominant channelRed

Hex per channelR FF · G F9 · B 45

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFF945 (chemical formula)

Formula
17,991.106 g/mol
947 atoms

FFF945 has a molar mass of 17,991.106 g/mol, made up of 947 atoms across 1 element: 947 × F.

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Molar mass

Molar mass17,991.106 g/mol

Total atoms per molecule947

Distinct elements1

Mass of one molecule2.9874934 × 10^-20 g

Molecules per gram3.3472877 × 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 × 947)17,991.106 g/mol, 100%

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Elements in this formula

Fluorine

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