Recognised as Colour

#FFCB12

#FFCB12
Yellow
Light
Nearest: Gold

#FFCB12 is a yellow with RGB values 255, 203, 18 and HSL 47°, 100%, 54%. It is a light colour, so black text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FFCB12#FFCB12

HEX#FFCB12

RGBrgb(255, 203, 18)

RGB (0–1)1, 0.7961, 0.0706

RGB percentages100%, 79.6%, 7.1%

HSLhsl(46.8, 100%, 53.5%)

HSV / HSBhsv(46.8, 92.9%, 100%)

CMYK0%, 20.4%, 92.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,763,666

CSS custom property--colour: #FFCB12;

Brightness & contrast

Relative luminance0.64016WCAG 2.x, 0 is black and 1 is white

Perceived brightness209 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 13.8:1

Contrast with white1.52:1WCAG normal text: Fail

Contrast with black13.8:1WCAG normal text: AAA

Greyscale equivalent#C9C9C9

Inverted#0034ED

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#E4C900no red cones; affects about 1% of men; ΔE 11.3 from the original

Deuteranopia#F1D726no green cones; the most common form, about 1% of men; ΔE 12.2 from the original

Tritanopia#FFB8ADno blue cones; rare, and affects men and women equally; ΔE 70.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.52:1WCAG large text: Fail

Contrast with black, large text13.8:1WCAG large text: AAA

Named colours

Gold · ΔE 7.9 Goldenrod · ΔE 20 Orange · ΔE 22 Yellow · ΔE 31.1 Dark goldenrod · ΔE 32.6 Dark orange · ΔE 36.4

Nearest named CSS colourGold (#FFD700)ΔE 7.93, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1246FF

Analogous#FF5512, #BDFF12

Triadic#12FFCB, #CB12FF

Split complementary#12BDFF, #5512FF

Tetradic#12FF54, #1246FF, #FF12BC

Tints, shades & saturation

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

Lighter +40%#FFF8DE

Lighter +30%#FFEDAB

Lighter +20%#FFE178

Lighter +10%#FFD645

Darker −10%#DEAD00

Darker −20%#AB8500

Darker −30%#785E00

Darker −40%#453600

More saturated +25%#FFCB12

Less saturated −25%#E1BA30

Channel breakdown

R255

G203

B18

Red255 (100%)

Green203 (79.6%)

Blue18 (7.1%)

Hue46.84°

Saturation (HSL)100%

Lightness53.53%

Dominant channelRed

Hex per channelR FF · G CB · B 12

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFCB12 (chemical formula)

Formula
179.727 g/mol
15 atoms

FFCB12 has a molar mass of 179.727 g/mol, made up of 15 atoms across 3 elements: 2 × F, 1 × C, 12 × B.

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Molar mass

Molar mass179.727 g/mol

Total atoms per molecule15

Distinct elements3

Mass of one molecule2.984437 × 10^-22 g

Molecules per gram3.3507157 × 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

F21.1%

C6.7%

B72.2%

Fluorine (F × 2)37.996 g/mol, 21.141%

Carbon (C)12.011 g/mol, 6.683%

Boron (B × 12)129.72 g/mol, 72.176%

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