Recognised as Colour

#CFF800

#CFF800
Yellow
Light
Nearest: Green yellow

#CFF800 is a yellow with RGB values 207, 248, 0 and HSL 70°, 100%, 49%. It is a light colour, so black text on it reaches 17.1:1 contrast (AAA for normal text). The nearest named colour is Green yellow.

Colour values

#CFF800#CFF800

HEX#CFF800

RGBrgb(207, 248, 0)

RGB (0–1)0.8118, 0.9725, 0

RGB percentages81.2%, 97.3%, 0%

HSLhsl(69.9, 100%, 48.6%)

HSV / HSBhsv(69.9, 100%, 97.3%)

CMYK16.5%, 0%, 100%, 2.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,629,440

CSS custom property--colour: #CFF800;

Brightness & contrast

Relative luminance0.804WCAG 2.x, 0 is black and 1 is white

Perceived brightness221.2 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 17.08:1

Contrast with white1.23:1WCAG normal text: Fail

Contrast with black17.08:1WCAG normal text: AAA

Greyscale equivalent#DDDDDD

Inverted#3007FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFE800no red cones; affects about 1% of men; ΔE 27.3 from the original

Deuteranopia#FFE833no green cones; the most common form, about 1% of men; ΔE 28.8 from the original

Tritanopia#DBEAD3no blue cones; rare, and affects men and women equally; ΔE 84.6 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text1.23:1WCAG large text: Fail

Contrast with black, large text17.08:1WCAG large text: AAA

Named colours

Green yellow · ΔE 16.4 Yellow · ΔE 17.8 Yellow green · ΔE 27.2 Lawn green · ΔE 30.6 Chartreuse · ΔE 30.6 Gold · ΔE 36.2

Nearest named CSS colourGreen yellow (#ADFF2F)ΔE 16.44, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2900F8

Analogous#F8A500, #53F800

Triadic#00CFF8, #F800CF

Split complementary#0053F8, #A500F8

Tetradic#00F8A5, #2900F8, #F80053

Tints, shades & saturation

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

Lighter +40%#F5FFC5

Lighter +30%#EDFF92

Lighter +20%#E5FF5F

Lighter +10%#DCFF2C

Darker −10%#A4C500

Darker −20%#7A9200

Darker −30%#4F5F00

Darker −40%#252C00

More saturated +25%#CFF800

Less saturated −25%#BAD91F

Channel breakdown

R207

G248

Red207 (81.2%)

Green248 (97.3%)

Blue0 (0%)

Hue69.92°

Saturation (HSL)100%

Lightness48.63%

Dominant channelGreen

Hex per channelR CF · G F8 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CFF800 (chemical formula)

Formula
15,229.409 g/mol
802 atoms

CFF800 has a molar mass of 15,229.409 g/mol, made up of 802 atoms across 2 elements: 1 × C, 801 × F.

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Molar mass

Molar mass15,229.409 g/mol

Total atoms per molecule802

Distinct elements2

Mass of one molecule2.5289029 × 10^-20 g

Molecules per gram3.954284 × 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

C0.1%

F99.9%

Carbon (C)12.011 g/mol, 0.079%

Fluorine (F × 801)15,217.398 g/mol, 99.921%

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