Recognised as Colour

#F3FE30

#F3FE30
Yellow
Light
Nearest: Yellow

#F3FE30 is a yellow with RGB values 243, 254, 48 and HSL 63°, 99%, 59%. It is a light colour, so black text on it reaches 19:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#F3FE30#F3FE30

HEX#F3FE30

RGBrgb(243, 254, 48)

RGB (0–1)0.9529, 0.9961, 0.1882

RGB percentages95.3%, 99.6%, 18.8%

HSLhsl(63.2, 99%, 59.2%)

HSV / HSBhsv(63.2, 81.1%, 99.6%)

CMYK4.3%, 0%, 81.1%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,990,320

CSS custom property--colour: #F3FE30;

Brightness & contrast

Relative luminance0.90152WCAG 2.x, 0 is black and 1 is white

Perceived brightness236.2 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 19.03:1

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

Contrast with black19.03:1WCAG normal text: AAA

Greyscale equivalent#EDEDED

Inverted#0C01CF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFF200no red cones; affects about 1% of men; ΔE 11.4 from the original

Deuteranopia#FFF646no green cones; the most common form, about 1% of men; ΔE 11.7 from the original

Tritanopia#FFEEDAno blue cones; rare, and affects men and women equally; ΔE 80.1 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 text19.03:1WCAG large text: AAA

Named colours

Yellow · ΔE 8.5 Gold · ΔE 25.1 Green yellow · ΔE 28 Yellow green · ΔE 30.9 Lawn green · ΔE 43.3 Chartreuse · ΔE 43.3

Nearest named CSS colourYellow (#FFFF00)ΔE 8.51, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3B30FE

Analogous#FEA230, #8CFE30

Triadic#30F3FE, #FE30F3

Split complementary#308CFE, #A230FE

Tetradic#30FEA2, #3B30FE, #FE308C

Tints, shades & saturation

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

Lighter +40%#FFFFFB

Lighter +30%#FCFFC8

Lighter +20%#F9FE96

Lighter +10%#F6FE63

Darker −10%#EDFA01

Darker −20%#BCC701

Darker −30%#8C9401

Darker −40%#5C6200

More saturated +25%#F4FF2F

Less saturated −25%#DCE44A

Channel breakdown

R243

G254

B48

Red243 (95.3%)

Green254 (99.6%)

Blue48 (18.8%)

Hue63.2°

Saturation (HSL)99.04%

Lightness59.22%

Dominant channelGreen

Hex per channelR F3 · G FE · B 30

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F3Fe30 (chemical formula)

Formula
1,732.344 g/mol
33 atoms

F3Fe30 has a molar mass of 1,732.344 g/mol, made up of 33 atoms across 2 elements: 3 × F, 30 × Fe.

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Molar mass

Molar mass1,732.344 g/mol

Total atoms per molecule33

Distinct elements2

Mass of one molecule2.8766249 × 10^-21 g

Molecules per gram3.4762961 × 10^20

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

F3.3%

Fe96.7%

Fluorine (F × 3)56.994 g/mol, 3.29%

Iron (Fe × 30)1,675.35 g/mol, 96.71%

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Elements in this formula

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