Recognised as Colour

#CEFF18

#CEFF18
Green
Light
Nearest: Green yellow

#CEFF18 is a green with RGB values 206, 255, 24 and HSL 73°, 100%, 55%. It is a light colour, so black text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Green yellow.

Colour values

#CEFF18#CEFF18

HEX#CEFF18

RGBrgb(206, 255, 24)

RGB (0–1)0.8078, 1, 0.0941

RGB percentages80.8%, 100%, 9.4%

HSLhsl(72.7, 100%, 54.7%)

HSV / HSBhsv(72.7, 90.6%, 100%)

CMYK19.2%, 0%, 90.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,565,720

CSS custom property--colour: #CEFF18;

Brightness & contrast

Relative luminance0.84708WCAG 2.x, 0 is black and 1 is white

Perceived brightness225.7 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 17.94:1

Contrast with white1.17:1WCAG normal text: Fail

Contrast with black17.94:1WCAG normal text: AAA

Greyscale equivalent#E4E4E4

Inverted#3100E7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFEE00no red cones; affects about 1% of men; ΔE 27.7 from the original

Deuteranopia#FFED3Cno green cones; the most common form, about 1% of men; ΔE 30 from the original

Tritanopia#D9F1D9no blue cones; rare, and affects men and women equally; ΔE 84.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.17:1WCAG large text: Fail

Contrast with black, large text17.94:1WCAG large text: AAA

Named colours

Green yellow · ΔE 13.4 Yellow · ΔE 20.6 Chartreuse · ΔE 27.6 Lawn green · ΔE 27.6 Yellow green · ΔE 27.9 Gold · ΔE 39.6

Nearest named CSS colourGreen yellow (#ADFF2F)ΔE 13.38, a distinctly different colour

Hue familygreen

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4918FF

Analogous#FFBD18, #5AFF18

Triadic#18CEFF, #FF18CE

Split complementary#185AFF, #BD18FF

Tetradic#18FFBD, #4918FF, #FF185A

Tints, shades & saturation

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

Lighter +40%#F9FFE4

Lighter +30%#EEFFB1

Lighter +20%#E4FF7E

Lighter +10%#D9FF4B

Darker −10%#B4E400

Darker −20%#8BB100

Darker −30%#637E00

Darker −40%#3B4B00

More saturated +25%#CEFF18

Less saturated −25%#BDE235

Channel breakdown

R206

G255

B24

Red206 (80.8%)

Green255 (100%)

Blue24 (9.4%)

Hue72.73°

Saturation (HSL)100%

Lightness54.71%

Dominant channelGreen

Hex per channelR CE · G FF · B 18

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CeFF18 (chemical formula)

Formula
501.082 g/mol
20 atoms

CeFF18 has a molar mass of 501.082 g/mol, made up of 20 atoms across 2 elements: 1 × Ce, 19 × F.

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Molar mass

Molar mass501.082 g/mol

Total atoms per molecule20

Distinct elements2

Mass of one molecule8.3206624 × 10^-22 g

Molecules per gram1.2018274 × 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

Ce28%

F72%

Cerium (Ce)140.12 g/mol, 27.963%

Fluorine (F × 19)360.962 g/mol, 72.037%

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