Recognised as Colour

#FFE318

#FFE318
Yellow
Light
Nearest: Gold

#FFE318 is a yellow with RGB values 255, 227, 24 and HSL 53°, 100%, 55%. It is a light colour, so black text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FFE318#FFE318

HEX#FFE318

RGBrgb(255, 227, 24)

RGB (0–1)1, 0.8902, 0.0941

RGB percentages100%, 89%, 9.4%

HSLhsl(52.7, 100%, 54.7%)

HSV / HSBhsv(52.7, 90.6%, 100%)

CMYK0%, 11%, 90.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,769,816

CSS custom property--colour: #FFE318;

Brightness & contrast

Relative luminance0.76264WCAG 2.x, 0 is black and 1 is white

Perceived brightness223.1 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.25:1

Contrast with white1.29:1WCAG normal text: Fail

Contrast with black16.25:1WCAG normal text: AAA

Greyscale equivalent#DADADA

Inverted#001CE7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FADD00no red cones; affects about 1% of men; ΔE 2.2 from the original

Deuteranopia#FFE730no green cones; the most common form, about 1% of men; ΔE 4.3 from the original

Tritanopia#FFD1C2no blue cones; rare, and affects men and women equally; ΔE 76.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.29:1WCAG large text: Fail

Contrast with black, large text16.25:1WCAG large text: AAA

Named colours

Gold · ΔE 6.6 Yellow · ΔE 17.3 Goldenrod · ΔE 31 Orange · ΔE 35.9 Yellow green · ΔE 38.9 Khaki · ΔE 42

Nearest named CSS colourGold (#FFD700)ΔE 6.55, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1834FF

Analogous#FF7018, #A7FF18

Triadic#18FFE3, #E318FF

Split complementary#18A7FF, #7018FF

Tetradic#18FF70, #1834FF, #FF18A8

Tints, shades & saturation

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

Lighter +40%#FFFCE4

Lighter +30%#FFF6B1

Lighter +20%#FFEF7E

Lighter +10%#FFE94B

Darker −10%#E4C800

Darker −20%#B19C00

Darker −30%#7E6F00

Darker −40%#4B4200

More saturated +25%#FFE318

Less saturated −25%#E2CD35

Channel breakdown

R255

G227

B24

Red255 (100%)

Green227 (89%)

Blue24 (9.4%)

Hue52.73°

Saturation (HSL)100%

Lightness54.71%

Dominant channelRed

Hex per channelR FF · G E3 · B 18

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFe318 (chemical formula)

Formula
17,777.708 g/mol
319 atoms

FFe318 has a molar mass of 17,777.708 g/mol, made up of 319 atoms across 2 elements: 1 × F, 318 × Fe.

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Molar mass

Molar mass17,777.708 g/mol

Total atoms per molecule319

Distinct elements2

Mass of one molecule2.9520579 × 10^-20 g

Molecules per gram3.3874675 × 10^19

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

F0.1%

Fe99.9%

Fluorine (F)18.998 g/mol, 0.107%

Iron (Fe × 318)17,758.71 g/mol, 99.893%

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Elements in this formula

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