Recognised as Colour

#FCE23B

#FCE23B
Yellow
Light
Nearest: Gold

#FCE23B is a yellow with RGB values 252, 226, 59 and HSL 52°, 97%, 61%. It is a light colour, so black text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FCE23B#FCE23B

HEX#FCE23B

RGBrgb(252, 226, 59)

RGB (0–1)0.9882, 0.8863, 0.2314

RGB percentages98.8%, 88.6%, 23.1%

HSLhsl(51.9, 97%, 61%)

HSV / HSBhsv(51.9, 76.6%, 98.8%)

CMYK0%, 10.3%, 76.6%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,572,987

CSS custom property--colour: #FCE23B;

Brightness & contrast

Relative luminance0.75404WCAG 2.x, 0 is black and 1 is white

Perceived brightness222.2 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.08:1

Contrast with white1.31:1WCAG normal text: Fail

Contrast with black16.08:1WCAG normal text: AAA

Greyscale equivalent#DBDBDB

Inverted#031DC4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F8DC11no red cones; affects about 1% of men; ΔE 7.5 from the original

Deuteranopia#FFE547no green cones; the most common form, about 1% of men; ΔE 3 from the original

Tritanopia#FFD1C3no blue cones; rare, and affects men and women equally; ΔE 69 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.31:1WCAG large text: Fail

Contrast with black, large text16.08:1WCAG large text: AAA

Named colours

Gold · ΔE 10.7 Yellow · ΔE 22.5 Goldenrod · ΔE 26.6 Khaki · ΔE 33.6 Orange · ΔE 34.8 Yellow green · ΔE 35.1

Nearest named CSS colourGold (#FFD700)ΔE 10.67, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3B55FC

Analogous#FC823B, #B6FC3B

Triadic#3BFCE2, #E23BFC

Split complementary#3BB5FC, #823BFC

Tetradic#3BFC82, #3B55FC, #FC3BB5

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FEF8D2

Lighter +20%#FEF19F

Lighter +10%#FDE96D

Darker −10%#FBDB09

Darker −20%#CEB303

Darker −30%#9C8702

Darker −40%#695B02

More saturated +25%#FFE438

Less saturated −25%#E3D054

Channel breakdown

R252

G226

B59

Red252 (98.8%)

Green226 (88.6%)

Blue59 (23.1%)

Hue51.92°

Saturation (HSL)96.98%

Lightness60.98%

Dominant channelRed

Hex per channelR FC · G E2 · B 3B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FCe23B (chemical formula)

Formula
3,252.568 g/mol
25 atoms

FCe23B has a molar mass of 3,252.568 g/mol, made up of 25 atoms across 3 elements: 1 × F, 23 × Ce, 1 × B.

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Molar mass

Molar mass3,252.568 g/mol

Total atoms per molecule25

Distinct elements3

Mass of one molecule5.4010162 × 10^-21 g

Molecules per gram1.8515034 × 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

F0.6%

Ce99.1%

B0.3%

Fluorine (F)18.998 g/mol, 0.584%

Cerium (Ce × 23)3,222.76 g/mol, 99.084%

Boron (B)10.81 g/mol, 0.332%

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