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Recognised as Colour

#FE638F

  • #FE638F
  • Red
  • Dark
  • Nearest: Hot pink

#FE638F is a red with RGB values 254, 99, 143 and HSL 343°, 99%, 69%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Hot pink.

Colour values

#FE638F#FE638F
HEX#FE638F
RGBrgb(254, 99, 143)
RGB (0–1)0.9961, 0.3882, 0.5608
RGB percentages99.6%, 38.8%, 56.1%
HSLhsl(343, 98.7%, 69.2%)
HSV / HSBhsv(343, 61%, 99.6%)
CMYK0%, 61%, 43.7%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,671,631
CSS custom property--colour: #FE638F;

Brightness & contrast

Relative luminance0.31978WCAG 2.x, 0 is black and 1 is white
Perceived brightness165.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.4:1
Contrast with white2.84:1WCAG normal text: Fail
Contrast with black7.4:1WCAG normal text: AAA
Greyscale equivalent#878787
Inverted#019C70

Colour vision & accessibility

Protanopia#838690no red cones; affects about 1% of men; ΔE 63.3 from the original
Deuteranopia#ABA58Bno green cones; the most common form, about 1% of men; ΔE 65.3 from the original
Tritanopia#FF4F74no blue cones; rare, and affects men and women equally; ΔE 12.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.84:1WCAG large text: Fail
Contrast with black, large text7.4:1WCAG large text: AAA

Named colours

Nearest named CSS colourHot pink (#FF69B4)ΔE 18.21, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#63FED2
Analogous#FE63DC, #FE8563
Triadic#8FFE63, #638FFE
Split complementary#63FE85, #63DCFE
Tetradic#DCFE63, #63FED2, #8563FE

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FFFBFC
Lighter +20%#FFC8D8
Lighter +10%#FE96B3
Darker −10%#FE306B
Darker −20%#F90248
Darker −30%#C70139
Darker −40%#94012B
More saturated +25%#FF628F
Less saturated −25%#EA7797

Channel breakdown

R254
G99
B143
Red254 (99.6%)
Green99 (38.8%)
Blue143 (56.1%)
Hue342.97°
Saturation (HSL)98.73%
Lightness69.22%
Dominant channelRed
Hex per channelR FE · G 63 · B 8F

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Also reads as

Fe638F (chemical formula)

  • Formula
  • 35,648.108 g/mol
  • 639 atoms

Fe638F has a molar mass of 35,648.108 g/mol, made up of 639 atoms across 2 elements: 638 × Fe, 1 × F.

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Molar mass

Molar mass35,648.108 g/mol
Total atoms per molecule639
Distinct elements2
Mass of one molecule5.9195076 × 10^-20 g
Molecules per gram1.6893297 × 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

Fe99.9%
F0.1%

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Every value on this page was computed from “fe638f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.