Recognised as Colour

#FFEC10

#FFEC10
Yellow
Light
Nearest: Yellow

#FFEC10 is a yellow with RGB values 255, 236, 16 and HSL 55°, 100%, 53%. It is a light colour, so black text on it reaches 17.3:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FFEC10#FFEC10

HEX#FFEC10

RGBrgb(255, 236, 16)

RGB (0–1)1, 0.9255, 0.0627

RGB percentages100%, 92.5%, 6.3%

HSLhsl(55.2, 100%, 53.1%)

HSV / HSBhsv(55.2, 93.7%, 100%)

CMYK0%, 7.5%, 93.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,772,112

CSS custom property--colour: #FFEC10;

Brightness & contrast

Relative luminance0.81288WCAG 2.x, 0 is black and 1 is white

Perceived brightness228.4 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 17.26:1

Contrast with white1.22:1WCAG normal text: Fail

Contrast with black17.26:1WCAG normal text: AAA

Greyscale equivalent#E0E0E0

Inverted#0013EF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFE400no red cones; affects about 1% of men; ΔE 4.3 from the original

Deuteranopia#FFED30no green cones; the most common form, about 1% of men; ΔE 5.3 from the original

Tritanopia#FFDAC9no blue cones; rare, and affects men and women equally; ΔE 79.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.22:1WCAG large text: Fail

Contrast with black, large text17.26:1WCAG large text: AAA

Named colours

Yellow · ΔE 11.5 Gold · ΔE 11.9 Goldenrod · ΔE 36.4 Yellow green · ΔE 38 Green yellow · ΔE 41 Orange · ΔE 41.5

Nearest named CSS colourYellow (#FFFF00)ΔE 11.55, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1023FF

Analogous#FF7410, #9AFF10

Triadic#10FFEC, #EC10FF

Split complementary#109AFF, #7410FF

Tetradic#10FF75, #1023FF, #FF109B

Tints, shades & saturation

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

Lighter +40%#FFFCDC

Lighter +30%#FFF8A9

Lighter +20%#FFF476

Lighter +10%#FFF043

Darker −10%#DCCB00

Darker −20%#A99C00

Darker −30%#766D00

Darker −40%#433E00

More saturated +25%#FFEC10

Less saturated −25%#E1D32E

Channel breakdown

R255

G236

B16

Red255 (100%)

Green236 (92.5%)

Blue16 (6.3%)

Hue55.23°

Saturation (HSL)100%

Lightness53.14%

Dominant channelRed

Hex per channelR FF · G EC · B 10

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFeC10 (chemical formula)

Formula
194.953 g/mol
12 atoms

FFeC10 has a molar mass of 194.953 g/mol, made up of 12 atoms across 3 elements: 1 × F, 1 × Fe, 10 × C.

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Molar mass

Molar mass194.953 g/mol

Total atoms per molecule12

Distinct elements3

Mass of one molecule3.2372707 × 10^-22 g

Molecules per gram3.0890218 × 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

F9.7%

Fe28.6%

C61.6%

Fluorine (F)18.998 g/mol, 9.745%

Iron (Fe)55.845 g/mol, 28.645%

Carbon (C × 10)120.11 g/mol, 61.61%

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Elements in this formula

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