Recognised as Colour

#FFF83C

#FFF83C
Yellow
Light
Nearest: Yellow

#FFF83C is a yellow with RGB values 255, 248, 60 and HSL 58°, 100%, 62%. It is a light colour, so black text on it reaches 18.7:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FFF83C#FFF83C

HEX#FFF83C

RGBrgb(255, 248, 60)

RGB (0–1)1, 0.9725, 0.2353

RGB percentages100%, 97.3%, 23.5%

HSLhsl(57.8, 100%, 61.8%)

HSV / HSBhsv(57.8, 76.5%, 100%)

CMYK0%, 2.7%, 76.5%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,775,228

CSS custom property--colour: #FFF83C;

Brightness & contrast

Relative luminance0.88721WCAG 2.x, 0 is black and 1 is white

Perceived brightness236.5 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.74:1

Contrast with white1.12:1WCAG normal text: Fail

Contrast with black18.74:1WCAG normal text: AAA

Greyscale equivalent#ECECEC

Inverted#0007C3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFEE00no red cones; affects about 1% of men; ΔE 9 from the original

Deuteranopia#FFF54Cno green cones; the most common form, about 1% of men; ΔE 6.1 from the original

Tritanopia#FFE7D5no blue cones; rare, and affects men and women equally; ΔE 75.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.12:1WCAG large text: Fail

Contrast with black, large text18.74:1WCAG large text: AAA

Named colours

Yellow · ΔE 11.8 Gold · ΔE 17.8 Yellow green · ΔE 32.9 Green yellow · ΔE 35.6 Goldenrod · ΔE 38.6 Khaki · ΔE 39.8

Nearest named CSS colourYellow (#FFFF00)ΔE 11.85, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3C43FF

Analogous#FF973C, #A4FF3C

Triadic#3CFFF8, #F83CFF

Split complementary#3CA5FF, #963CFF

Tetradic#3CFF97, #3C43FF, #FF3CA5

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFDD5

Lighter +20%#FFFCA2

Lighter +10%#FFFA6F

Darker −10%#FFF609

Darker −20%#D5CD00

Darker −30%#A29C00

Darker −40%#6F6B00

More saturated +25%#FFF83C

Less saturated −25%#E7E154

Channel breakdown

R255

G248

B60

Red255 (100%)

Green248 (97.3%)

Blue60 (23.5%)

Hue57.85°

Saturation (HSL)100%

Lightness61.76%

Dominant channelRed

Hex per channelR FF · G F8 · B 3C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFF83C (chemical formula)

Formula
1,626.841 g/mol
86 atoms

FFF83C has a molar mass of 1,626.841 g/mol, made up of 86 atoms across 2 elements: 85 × F, 1 × C.

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Molar mass

Molar mass1,626.841 g/mol

Total atoms per molecule86

Distinct elements2

Mass of one molecule2.701433 × 10^-21 g

Molecules per gram3.701739 × 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

F99.3%

C0.7%

Fluorine (F × 85)1,614.83 g/mol, 99.262%

Carbon (C)12.011 g/mol, 0.738%

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