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Recognised as Colour

#FEC500

  • #FEC500
  • Yellow
  • Light
  • Nearest: Gold

#FEC500 is a yellow with RGB values 254, 197, 0 and HSL 47°, 100%, 50%. It is a light colour, so black text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FEC500#FEC500
HEX#FEC500
RGBrgb(254, 197, 0)
RGB (0–1)0.9961, 0.7725, 0
RGB percentages99.6%, 77.3%, 0%
HSLhsl(46.5, 100%, 49.8%)
HSV / HSBhsv(46.5, 100%, 99.6%)
CMYK0%, 22.4%, 100%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,696,576
CSS custom property--colour: #FEC500;

Brightness & contrast

Relative luminance0.61003WCAG 2.x, 0 is black and 1 is white
Perceived brightness205.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.2:1
Contrast with white1.59:1WCAG normal text: Fail
Contrast with black13.2:1WCAG normal text: AAA
Greyscale equivalent#C3C3C3
Inverted#013AFF

Colour vision & accessibility

Protanopia#DFC400no red cones; affects about 1% of men; ΔE 13.7 from the original
Deuteranopia#EDD31Dno green cones; the most common form, about 1% of men; ΔE 14.5 from the original
Tritanopia#FFB1A8no blue cones; rare, and affects men and women equally; ΔE 70.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.59:1WCAG large text: Fail
Contrast with black, large text13.2:1WCAG large text: AAA

Named colours

Nearest named CSS colourGold (#FFD700)ΔE 10.4, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0039FE
Analogous#FE4600, #B8FE00
Triadic#00FEC5, #C500FE
Split complementary#00B8FE, #4600FE
Tetradic#00FE46, #0039FE, #FE00B8

Tints, shades & saturation

Lighter +40%#FFF3CB
Lighter +30%#FFE898
Lighter +20%#FFDC65
Lighter +10%#FFD132
Darker −10%#CB9D00
Darker −20%#987600
Darker −30%#654E00
Darker −40%#322700
More saturated +25%#FEC500
Less saturated −25%#DEB320

Channel breakdown

R254
G197
B0
Red254 (99.6%)
Green197 (77.3%)
Blue0 (0%)
Hue46.54°
Saturation (HSL)100%
Lightness49.8%
Dominant channelRed
Hex per channelR FE · G C5 · B 00

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Also reads as

FeC500 (chemical formula)

  • Formula
  • 6,061.345 g/mol
  • 501 atoms

FeC500 has a molar mass of 6,061.345 g/mol, made up of 501 atoms across 2 elements: 1 × Fe, 500 × C.

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Molar mass

Molar mass6,061.345 g/mol
Total atoms per molecule501
Distinct elements2
Mass of one molecule1.00651 × 10^-20 g
Molecules per gram9.9353209 × 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

Fe0.9%
C99.1%

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Every value on this page was computed from “fec500” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.