Recognised as Colour

#F3FF2F

#F3FF2F
Yellow
Light
Nearest: Yellow

#F3FF2F is a yellow with RGB values 243, 255, 47 and HSL 63°, 100%, 59%. It is a light colour, so black text on it reaches 19.2:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#F3FF2F#F3FF2F

HEX#F3FF2F

RGBrgb(243, 255, 47)

RGB (0–1)0.9529, 1, 0.1843

RGB percentages95.3%, 100%, 18.4%

HSLhsl(63.5, 100%, 59.2%)

HSV / HSBhsv(63.5, 81.6%, 100%)

CMYK4.7%, 0%, 81.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,990,575

CSS custom property--colour: #F3FF2F;

Brightness & contrast

Relative luminance0.9078WCAG 2.x, 0 is black and 1 is white

Perceived brightness236.8 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 19.16:1

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

Contrast with black19.16:1WCAG normal text: AAA

Greyscale equivalent#EDEDED

Inverted#0C00D0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFF200no red cones; affects about 1% of men; ΔE 11.7 from the original

Deuteranopia#FFF645no green cones; the most common form, about 1% of men; ΔE 12.2 from the original

Tritanopia#FFEFDAno blue cones; rare, and affects men and women equally; ΔE 80.2 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 text19.16:1WCAG large text: AAA

Named colours

Yellow · ΔE 8.3 Gold · ΔE 25.6 Green yellow · ΔE 27.6 Yellow green · ΔE 31.2 Lawn green · ΔE 42.8 Chartreuse · ΔE 42.8

Nearest named CSS colourYellow (#FFFF00)ΔE 8.32, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3B2FFF

Analogous#FFA32F, #8BFF2F

Triadic#2FF3FF, #FF2FF3

Split complementary#2F8BFF, #A32FFF

Tetradic#2FFFA3, #3B2FFF, #FF2F8B

Tints, shades & saturation

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

Lighter +40%#FFFFFB

Lighter +30%#FCFFC8

Lighter +20%#F9FF95

Lighter +10%#F6FF62

Darker −10%#EDFB00

Darker −20%#BCC800

Darker −30%#8C9500

Darker −40%#5C6200

More saturated +25%#F3FF2F

Less saturated −25%#DCE549

Channel breakdown

R243

G255

B47

Red243 (95.3%)

Green255 (100%)

Blue47 (18.4%)

Hue63.46°

Saturation (HSL)100%

Lightness59.22%

Dominant channelGreen

Hex per channelR F3 · G FF · B 2F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F3FF2F (chemical formula)

Formula
132.986 g/mol
7 atoms

F3FF2F has a molar mass of 132.986 g/mol, made up of 7 atoms across 1 element: 7 × F.

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Molar mass

Molar mass132.986 g/mol

Total atoms per molecule7

Distinct elements1

Mass of one molecule2.2082845 × 10^-22 g

Molecules per gram4.5284021 × 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 × 7)132.986 g/mol, 100%

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Elements in this formula

Fluorine

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