Recognised as Colour

#FFF66C

#FFF66C
Yellow
Light
Nearest: Khaki

#FFF66C is a yellow with RGB values 255, 246, 108 and HSL 56°, 100%, 71%. It is a light colour, so black text on it reaches 18.7:1 contrast (AAA for normal text). The nearest named colour is Khaki.

Colour values

#FFF66C#FFF66C

HEX#FFF66C

RGBrgb(255, 246, 108)

RGB (0–1)1, 0.9647, 0.4235

RGB percentages100%, 96.5%, 42.4%

HSLhsl(56.3, 100%, 71.2%)

HSV / HSBhsv(56.3, 57.6%, 100%)

CMYK0%, 3.5%, 57.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,774,764

CSS custom property--colour: #FFF66C;

Brightness & contrast

Relative luminance0.88254WCAG 2.x, 0 is black and 1 is white

Perceived brightness237.3 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.65:1

Contrast with white1.13:1WCAG normal text: Fail

Contrast with black18.65:1WCAG normal text: AAA

Greyscale equivalent#EEEEEE

Inverted#000993

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFEE5Dno red cones; affects about 1% of men; ΔE 5.3 from the original

Deuteranopia#FFF474no green cones; the most common form, about 1% of men; ΔE 4.3 from the original

Tritanopia#FFE7D8no blue cones; rare, and affects men and women equally; ΔE 59 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.13:1WCAG large text: Fail

Contrast with black, large text18.65:1WCAG large text: AAA

Named colours

Khaki · ΔE 22 Gold · ΔE 25.6 Yellow · ΔE 29.7 Yellow green · ΔE 30.7 Goldenrod · ΔE 33.2 Dark khaki · ΔE 34.8

Nearest named CSS colourKhaki (#F0E68C)ΔE 22.03, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6C75FF

Analogous#FFAD6C, #BEFF6C

Triadic#6CFFF6, #F66CFF

Split complementary#6CBEFF, #AD6CFF

Tetradic#6CFFAD, #6C75FF, #FF6CBE

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFCD2

Lighter +10%#FFF99F

Darker −10%#FFF339

Darker −20%#FFF006

Darker −30%#D2C500

Darker −40%#9F9500

More saturated +25%#FFF66C

Less saturated −25%#EDE67E

Channel breakdown

R255

G246

B108

Red255 (100%)

Green246 (96.5%)

Blue108 (42.4%)

Hue56.33°

Saturation (HSL)100%

Lightness71.18%

Dominant channelRed

Hex per channelR FF · G F6 · B 6C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFF66C (chemical formula)

Formula
1,303.875 g/mol
69 atoms

FFF66C has a molar mass of 1,303.875 g/mol, made up of 69 atoms across 2 elements: 68 × F, 1 × C.

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Molar mass

Molar mass1,303.875 g/mol

Total atoms per molecule69

Distinct elements2

Mass of one molecule2.1651354 × 10^-21 g

Molecules per gram4.6186488 × 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

F99.1%

C0.9%

Fluorine (F × 68)1,291.864 g/mol, 99.079%

Carbon (C)12.011 g/mol, 0.921%

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