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Recognised as Colour

#FB7C73

  • #FB7C73
  • Red
  • Dark
  • Nearest: Salmon

#FB7C73 is a red with RGB values 251, 124, 115 and HSL 4°, 94%, 72%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Salmon.

Colour values

#FB7C73#FB7C73
HEX#FB7C73
RGBrgb(251, 124, 115)
RGB (0–1)0.9843, 0.4863, 0.451
RGB percentages98.4%, 48.6%, 45.1%
HSLhsl(4, 94.4%, 71.8%)
HSV / HSBhsv(4, 54.2%, 98.4%)
CMYK0%, 50.6%, 54.2%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,481,395
CSS custom property--colour: #FB7C73;

Brightness & contrast

Relative luminance0.36162WCAG 2.x, 0 is black and 1 is white
Perceived brightness171.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.23:1
Contrast with white2.55:1WCAG normal text: Fail
Contrast with black8.23:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#04838C

Colour vision & accessibility

Protanopia#9A9272no red cones; affects about 1% of men; ΔE 51.3 from the original
Deuteranopia#BAAC70no green cones; the most common form, about 1% of men; ΔE 51.7 from the original
Tritanopia#FF687Ano blue cones; rare, and affects men and women equally; ΔE 13.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.55:1WCAG large text: Fail
Contrast with black, large text8.23:1WCAG large text: AAA

Named colours

Nearest named CSS colourSalmon (#FA8072)ΔE 2.82, a close match
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#73F2FB
Analogous#FB73AE, #FBC073
Triadic#73FB7C, #7C73FB
Split complementary#73FBC0, #73AEFB
Tetradic#AEFB73, #73F2FB, #C073FB

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FED9D6
Lighter +10%#FCAAA5
Darker −10%#FA4E41
Darker −20%#F81F10
Darker −30%#CF1306
Darker −40%#9D0F05
More saturated +25%#FF796F
Less saturated −25%#E98C85

Channel breakdown

R251
G124
B115
Red251 (98.4%)
Green124 (48.6%)
Blue115 (45.1%)
Hue3.97°
Saturation (HSL)94.44%
Lightness71.76%
Dominant channelRed
Hex per channelR FB · G 7C · B 73

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Also reads as

FB7C73 (chemical formula)

  • Formula
  • 971.471 g/mol
  • 81 atoms

FB7C73 has a molar mass of 971.471 g/mol, made up of 81 atoms across 3 elements: 1 × F, 7 × B, 73 × C.

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Molar mass

Molar mass971.471 g/mol
Total atoms per molecule81
Distinct elements3
Mass of one molecule1.6131655 × 10^-21 g
Molecules per gram6.1989918 × 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

F2%
B7.8%
C90.3%
Boron (B × 7)75.67 g/mol, 7.789%
Carbon (C × 73)876.803 g/mol, 90.255%

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Every value on this page was computed from “fb7c73” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.