Recognised as Colour

#F9F9FF

#F9F9FF
Blue
Light
Nearest: Ghost white

#F9F9FF is a blue with RGB values 249, 249, 255 and HSL 240°, 100%, 99%. It is a light colour, so black text on it reaches 20:1 contrast (AAA for normal text). The nearest named colour is Ghost white.

Colour values

#F9F9FF#F9F9FF

HEX#F9F9FF

RGBrgb(249, 249, 255)

RGB (0–1)0.9765, 0.9765, 1

RGB percentages97.6%, 97.6%, 100%

HSLhsl(240, 100%, 98.8%)

HSV / HSBhsv(240, 2.4%, 100%)

CMYK2.4%, 2.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,382,463

CSS custom property--colour: #F9F9FF;

Brightness & contrast

Relative luminance0.95111WCAG 2.x, 0 is black and 1 is white

Perceived brightness249.7 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 20.02:1

Contrast with white1.05:1WCAG normal text: Fail

Contrast with black20.02:1WCAG normal text: AAA

Greyscale equivalent#F9F9F9

Inverted#060600

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F8FAFFno red cones; affects about 1% of men; ΔE 0.9 from the original

Deuteranopia#F8F9FFno green cones; the most common form, about 1% of men; ΔE 0.4 from the original

Tritanopia#F8FAFBno blue cones; rare, and affects men and women equally; ΔE 2.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.05:1WCAG large text: Fail

Contrast with black, large text20.02:1WCAG large text: AAA

Named colours

Ghost white · ΔE 0.6 Alice blue · ΔE 2.9 White smoke · ΔE 3.4 Snow · ΔE 3.5 White · ΔE 3.6 Lavender blush · ΔE 5.7

Nearest named CSS colourGhost white (#F8F8FF)ΔE 0.6, indistinguishable to the eye

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFFFF9

Analogous#F9FCFF, #FCF9FF

Triadic#FFF9F9, #F9FFF9

Split complementary#FFFCF9, #FCFFF9

Tetradic#FFF9FC, #FFFFF9, #F9FFFC

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFFFF

Lighter +10%#FFFFFF

Darker −10%#C6C6FF

Darker −20%#9393FF

Darker −30%#6060FF

Darker −40%#2D2DFF

More saturated +25%#F9F9FF

Less saturated −25%#FAFAFE

Channel breakdown

R249

G249

B255

Red249 (97.6%)

Green249 (97.6%)

Blue255 (100%)

Hue240°

Saturation (HSL)100%

Lightness98.82%

Dominant channelBlue

Hex per channelR F9 · G F9 · B FF

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F9F9FF (chemical formula)

Formula
379.96 g/mol
20 atoms

F9F9FF has a molar mass of 379.96 g/mol, made up of 20 atoms across 1 element: 20 × F.

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Molar mass

Molar mass379.96 g/mol

Total atoms per molecule20

Distinct elements1

Mass of one molecule6.3093842 × 10^-22 g

Molecules per gram1.5849407 × 10^21

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 × 20)379.96 g/mol, 100%

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Elements in this formula

Fluorine

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