Recognised as Colour

#FCDF28

#FCDF28
Yellow
Light
Nearest: Gold

#FCDF28 is a yellow with RGB values 252, 223, 40 and HSL 52°, 97%, 57%. It is a light colour, so black text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FCDF28#FCDF28

HEX#FCDF28

RGBrgb(252, 223, 40)

RGB (0–1)0.9882, 0.8745, 0.1569

RGB percentages98.8%, 87.5%, 15.7%

HSLhsl(51.8, 97.2%, 57.3%)

HSV / HSBhsv(51.8, 84.1%, 98.8%)

CMYK0%, 11.5%, 84.1%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,572,200

CSS custom property--colour: #FCDF28;

Brightness & contrast

Relative luminance0.73624WCAG 2.x, 0 is black and 1 is white

Perceived brightness219.9 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 15.72:1

Contrast with white1.34:1WCAG normal text: Fail

Contrast with black15.72:1WCAG normal text: AAA

Greyscale equivalent#D8D8D8

Inverted#0320D7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F6D900no red cones; affects about 1% of men; ΔE 4.2 from the original

Deuteranopia#FEE339no green cones; the most common form, about 1% of men; ΔE 3.6 from the original

Tritanopia#FFCDBFno blue cones; rare, and affects men and women equally; ΔE 72.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.34:1WCAG large text: Fail

Contrast with black, large text15.72:1WCAG large text: AAA

Named colours

Gold · ΔE 6.6 Yellow · ΔE 20.6 Goldenrod · ΔE 27.4 Orange · ΔE 33.8 Yellow green · ΔE 37.4 Khaki · ΔE 38

Nearest named CSS colourGold (#FFD700)ΔE 6.63, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2845FC

Analogous#FC7528, #AFFC28

Triadic#28FCDF, #DF28FC

Split complementary#28AFFC, #7528FC

Tetradic#28FC75, #2845FC, #FC28AF

Tints, shades & saturation

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

Lighter +40%#FFFDF1

Lighter +30%#FEF5BF

Lighter +20%#FDEE8D

Lighter +10%#FDE65A

Darker −10%#EECE03

Darker −20%#BBA203

Darker −30%#897702

Darker −40%#574B01

More saturated +25%#FFE125

Less saturated −25%#E1CB43

Channel breakdown

R252

G223

B40

Red252 (98.8%)

Green223 (87.5%)

Blue40 (15.7%)

Hue51.79°

Saturation (HSL)97.25%

Lightness57.25%

Dominant channelRed

Hex per channelR FC · G DF · B 28

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

FCdF28 (chemical formula)

Formula
663.352 g/mol
30 atoms

FCdF28 has a molar mass of 663.352 g/mol, made up of 30 atoms across 2 elements: 29 × F, 1 × Cd.

Open this reading on its own page →

Molar mass

Molar mass663.352 g/mol

Total atoms per molecule30

Distinct elements2

Mass of one molecule1.1015219 × 10^-21 g

Molecules per gram9.0783487 × 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

F83.1%

Cd16.9%

Fluorine (F × 29)550.942 g/mol, 83.054%

Cadmium (Cd)112.41 g/mol, 16.946%

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