Recognised as Colour

#FFEC50

#FFEC50
Yellow
Light
Nearest: Gold

#FFEC50 is a yellow with RGB values 255, 236, 80 and HSL 53°, 100%, 66%. It is a light colour, so black text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FFEC50#FFEC50

HEX#FFEC50

RGBrgb(255, 236, 80)

RGB (0–1)1, 0.9255, 0.3137

RGB percentages100%, 92.5%, 31.4%

HSLhsl(53.5, 100%, 65.7%)

HSV / HSBhsv(53.5, 68.6%, 100%)

CMYK0%, 7.5%, 68.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,772,176

CSS custom property--colour: #FFEC50;

Brightness & contrast

Relative luminance0.8183WCAG 2.x, 0 is black and 1 is white

Perceived brightness229.9 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 17.37:1

Contrast with white1.21:1WCAG normal text: Fail

Contrast with black17.37:1WCAG normal text: AAA

Greyscale equivalent#E5E5E5

Inverted#0013AF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFE538no red cones; affects about 1% of men; ΔE 6.9 from the original

Deuteranopia#FFED5Ano green cones; the most common form, about 1% of men; ΔE 3.5 from the original

Tritanopia#FFDCCDno blue cones; rare, and affects men and women equally; ΔE 65.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.21:1WCAG large text: Fail

Contrast with black, large text17.37:1WCAG large text: AAA

Named colours

Gold · ΔE 16.4 Yellow · ΔE 23.6 Goldenrod · ΔE 29.3 Khaki · ΔE 29.4 Yellow green · ΔE 32.7 Orange · ΔE 38.9

Nearest named CSS colourGold (#FFD700)ΔE 16.43, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5063FF

Analogous#FF9450, #BBFF50

Triadic#50FFEC, #EC50FF

Split complementary#50BBFF, #9550FF

Tetradic#50FF94, #5063FF, #FF50BB

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFDE9

Lighter +20%#FFF7B6

Lighter +10%#FFF283

Darker −10%#FFE61D

Darker −20%#E9D000

Darker −30%#B6A200

Darker −40%#837500

More saturated +25%#FFEC50

Less saturated −25%#E9DB66

Channel breakdown

R255

G236

B80

Red255 (100%)

Green236 (92.5%)

Blue80 (31.4%)

Hue53.49°

Saturation (HSL)100%

Lightness65.69%

Dominant channelRed

Hex per channelR FF · G EC · B 50

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFeC50 (chemical formula)

Formula
675.393 g/mol
52 atoms

FFeC50 has a molar mass of 675.393 g/mol, made up of 52 atoms across 3 elements: 1 × F, 1 × Fe, 50 × C.

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Molar mass

Molar mass675.393 g/mol

Total atoms per molecule52

Distinct elements3

Mass of one molecule1.1215165 × 10^-21 g

Molecules per gram8.9164986 × 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

F2.8%

Fe8.3%

C88.9%

Fluorine (F)18.998 g/mol, 2.813%

Iron (Fe)55.845 g/mol, 8.269%

Carbon (C × 50)600.55 g/mol, 88.919%

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Elements in this formula

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