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Recognised as Colour

#FEFE65

  • #FEFE65
  • Yellow
  • Light
  • Nearest: Yellow

#FEFE65 is a yellow with RGB values 254, 254, 101 and HSL 60°, 99%, 70%. It is a light colour, so black text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FEFE65#FEFE65
HEX#FEFE65
RGBrgb(254, 254, 101)
RGB (0–1)0.9961, 0.9961, 0.3961
RGB percentages99.6%, 99.6%, 39.6%
HSLhsl(60, 98.7%, 69.6%)
HSV / HSBhsv(60, 60.2%, 99.6%)
CMYK0%, 0%, 60.2%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,711,269
CSS custom property--colour: #FEFE65;

Brightness & contrast

Relative luminance0.92894WCAG 2.x, 0 is black and 1 is white
Perceived brightness241.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.58:1
Contrast with white1.07:1WCAG normal text: Fail
Contrast with black19.58:1WCAG normal text: AAA
Greyscale equivalent#F3F3F3
Inverted#01019A

Colour vision & accessibility

Protanopia#FFF452no red cones; affects about 1% of men; ΔE 6.8 from the original
Deuteranopia#FFF96Eno green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#FFEFDEno blue cones; rare, and affects men and women equally; ΔE 64.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.07:1WCAG large text: Fail
Contrast with black, large text19.58:1WCAG large text: AAA

Named colours

Nearest named CSS colourYellow (#FFFF00)ΔE 23.77, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#6565FE
Analogous#FEB265, #B2FE65
Triadic#65FEFE, #FE65FE
Split complementary#65B2FE, #B265FE
Tetradic#65FEB2, #6565FE, #FE65B2

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FFFFFD
Lighter +20%#FFFFCA
Lighter +10%#FEFE98
Darker −10%#FEFE32
Darker −20%#FBFB02
Darker −30%#C9C901
Darker −40%#969601
More saturated +25%#FFFF64
Less saturated −25%#EBEB78

Channel breakdown

R254
G254
B101
Red254 (99.6%)
Green254 (99.6%)
Blue101 (39.6%)
Hue60°
Saturation (HSL)98.71%
Lightness69.61%
Dominant channelRed and Green
Hex per channelR FE · G FE · B 65

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Also reads as

FeFe65 (chemical formula)

  • Formula
  • 3,685.77 g/mol
  • 66 atoms

FeFe65 has a molar mass of 3,685.77 g/mol, made up of 66 atoms across 1 element: 66 × Fe.

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Molar mass

Molar mass3,685.77 g/mol
Total atoms per molecule66
Distinct elements1
Mass of one molecule6.1203651 × 10^-21 g
Molecules per gram1.6338895 × 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

Fe100%
Iron (Fe × 66)3,685.77 g/mol, 100%

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Every value on this page was computed from “fefe65” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.