Recognised as Colour

#FFEC66

#FFEC66
Yellow
Light
Nearest: Khaki

#FFEC66 is a yellow with RGB values 255, 236, 102 and HSL 53°, 100%, 70%. It is a light colour, so black text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Khaki.

Colour values

#FFEC66#FFEC66

HEX#FFEC66

RGBrgb(255, 236, 102)

RGB (0–1)1, 0.9255, 0.4

RGB percentages100%, 92.5%, 40%

HSLhsl(52.5, 100%, 70%)

HSV / HSBhsv(52.5, 60%, 100%)

CMYK0%, 7.5%, 60%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,772,198

CSS custom property--colour: #FFEC66;

Brightness & contrast

Relative luminance0.8221WCAG 2.x, 0 is black and 1 is white

Perceived brightness230.9 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 17.44:1

Contrast with white1.2:1WCAG normal text: Fail

Contrast with black17.44:1WCAG normal text: AAA

Greyscale equivalent#E6E6E6

Inverted#001399

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFE557no red cones; affects about 1% of men; ΔE 5.3 from the original

Deuteranopia#FFED6Dno green cones; the most common form, about 1% of men; ΔE 2.7 from the original

Tritanopia#FFDDCFno blue cones; rare, and affects men and women equally; ΔE 57.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.2:1WCAG large text: Fail

Contrast with black, large text17.44:1WCAG large text: AAA

Named colours

Khaki · ΔE 20.8 Gold · ΔE 23.4 Goldenrod · ΔE 28.3 Yellow · ΔE 31.7 Dark khaki · ΔE 32.6 Yellow green · ΔE 33

Nearest named CSS colourKhaki (#F0E68C)ΔE 20.77, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6679FF

Analogous#FFA066, #C5FF66

Triadic#66FFEC, #EC66FF

Split complementary#66C6FF, #9F66FF

Tetradic#66FFA0, #6679FF, #FF66C6

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFF9CC

Lighter +10%#FFF299

Darker −10%#FFE633

Darker −20%#FFDF00

Darker −30%#CCB300

Darker −40%#998600

More saturated +25%#FFEC66

Less saturated −25%#ECDE79

Channel breakdown

R255

G236

B102

Red255 (100%)

Green236 (92.5%)

Blue102 (40%)

Hue52.55°

Saturation (HSL)100%

Lightness70%

Dominant channelRed

Hex per channelR FF · G EC · B 66

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

FFeC66 (chemical formula)

Formula
867.569 g/mol
68 atoms

FFeC66 has a molar mass of 867.569 g/mol, made up of 68 atoms across 3 elements: 1 × F, 1 × Fe, 66 × C.

Open this reading on its own page →

Molar mass

Molar mass867.569 g/mol

Total atoms per molecule68

Distinct elements3

Mass of one molecule1.4406322 × 10^-21 g

Molecules per gram6.9413969 × 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

F2.2%

Fe6.4%

C91.4%

Fluorine (F)18.998 g/mol, 2.19%

Iron (Fe)55.845 g/mol, 6.437%

Carbon (C × 66)792.726 g/mol, 91.373%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Nerdulate something else

Nothing in mind? Surprise me · today’s page