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Recognised as Colour

#F39489

  • #F39489
  • Red
  • Dark
  • Nearest: Dark salmon

#F39489 is a red with RGB values 243, 148, 137 and HSL 6°, 82%, 75%. It is a dark colour, so black text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark salmon.

Colour values

#F39489#F39489
HEX#F39489
RGBrgb(243, 148, 137)
RGB (0–1)0.9529, 0.5804, 0.5373
RGB percentages95.3%, 58%, 53.7%
HSLhsl(6.2, 81.5%, 74.5%)
HSV / HSBhsv(6.2, 43.6%, 95.3%)
CMYK0%, 39.1%, 43.6%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,963,273
CSS custom property--colour: #F39489;

Brightness & contrast

Relative luminance0.42041WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.41:1
Contrast with white2.23:1WCAG normal text: Fail
Contrast with black9.41:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#0C6B76

Colour vision & accessibility

Protanopia#A9A288no red cones; affects about 1% of men; ΔE 37.3 from the original
Deuteranopia#C0B588no green cones; the most common form, about 1% of men; ΔE 37.9 from the original
Tritanopia#FF8791no blue cones; rare, and affects men and women equally; ΔE 13.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.23:1WCAG large text: Fail
Contrast with black, large text9.41:1WCAG large text: AAA

Named colours

Nearest named CSS colourDark salmon (#E9967A)ΔE 9.24, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#89E8F3
Analogous#F389B3, #F3C989
Triadic#89F394, #9489F3
Split complementary#89F3C9, #89B3F3
Tetradic#B3F389, #89E8F3, #C989F3

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FCE8E6
Lighter +10%#F8BEB7
Darker −10%#EE6A5B
Darker −20%#EA402C
Darker −30%#CE2815
Darker −40%#A01F10
More saturated +25%#FF8A7D
Less saturated −25%#E3A199

Channel breakdown

R243
G148
B137
Red243 (95.3%)
Green148 (58%)
Blue137 (53.7%)
Hue6.23°
Saturation (HSL)81.54%
Lightness74.51%
Dominant channelRed
Hex per channelR F3 · G 94 · B 89

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Also reads as

F39489 (chemical formula)

  • Formula
  • 750,212.022 g/mol
  • 39489 atoms

F39489 has a molar mass of 750,212.022 g/mol, made up of 39489 atoms across 1 element: 39489 × F.

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Molar mass

Molar mass750,212.022 g/mol
Total atoms per molecule39489
Distinct elements1
Mass of one molecule1.2457564 × 10^-18 g
Molecules per gram8.0272517 × 10^17

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

F100%
Fluorine (F × 39489)750,212.022 g/mol, 100%

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Every value on this page was computed from “f39489” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.