Recognised as Colour

#FCD931

#FCD931
Yellow
Light
Nearest: Gold

#FCD931 is a yellow with RGB values 252, 217, 49 and HSL 50°, 97%, 59%. It is a light colour, so black text on it reaches 15.1:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FCD931#FCD931

HEX#FCD931

RGBrgb(252, 217, 49)

RGB (0–1)0.9882, 0.851, 0.1922

RGB percentages98.8%, 85.1%, 19.2%

HSLhsl(49.7, 97.1%, 59%)

HSV / HSBhsv(49.7, 80.6%, 98.8%)

CMYK0%, 13.9%, 80.6%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,570,673

CSS custom property--colour: #FCD931;

Brightness & contrast

Relative luminance0.70543WCAG 2.x, 0 is black and 1 is white

Perceived brightness216.6 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 15.11:1

Contrast with white1.39:1WCAG normal text: Fail

Contrast with black15.11:1WCAG normal text: AAA

Greyscale equivalent#D4D4D4

Inverted#0326CE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F0D400no red cones; affects about 1% of men; ΔE 7 from the original

Deuteranopia#F9DF3Eno green cones; the most common form, about 1% of men; ΔE 4.9 from the original

Tritanopia#FFC7BAno blue cones; rare, and affects men and women equally; ΔE 68.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.39:1WCAG large text: Fail

Contrast with black, large text15.11:1WCAG large text: AAA

Named colours

Gold · ΔE 7.9 Goldenrod · ΔE 22.9 Yellow · ΔE 25.6 Orange · ΔE 30 Khaki · ΔE 35 Dark goldenrod · ΔE 35.2

Nearest named CSS colourGold (#FFD700)ΔE 7.9, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3154FC

Analogous#FC7331, #BAFC31

Triadic#31FCD9, #D931FC

Split complementary#31BAFC, #7331FC

Tetradic#31FC73, #3154FC, #FC31BA

Tints, shades & saturation

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

Lighter +40%#FFFEFA

Lighter +30%#FEF5C8

Lighter +20%#FDEC96

Lighter +10%#FDE263

Darker −10%#F6CD04

Darker −20%#C4A303

Darker −30%#927902

Darker −40%#604F01

More saturated +25%#FFDB2E

Less saturated −25%#E2C84B

Channel breakdown

R252

G217

B49

Red252 (98.8%)

Green217 (85.1%)

Blue49 (19.2%)

Hue49.66°

Saturation (HSL)97.13%

Lightness59.02%

Dominant channelRed

Hex per channelR FC · G D9 · B 31

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FCd931 (chemical formula)

Formula
104,672.708 g/mol
932 atoms

FCd931 has a molar mass of 104,672.708 g/mol, made up of 932 atoms across 2 elements: 1 × F, 931 × Cd.

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Molar mass

Molar mass104,672.708 g/mol

Total atoms per molecule932

Distinct elements2

Mass of one molecule1.7381312 × 10^-19 g

Molecules per gram5.7533056 × 10^18

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

F0%

Cd100%

Fluorine (F)18.998 g/mol, 0.018%

Cadmium (Cd × 931)104,653.71 g/mol, 99.982%

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