Nerdulator> put something in

Recognised as Colour

#F39389

  • #F39389
  • Red
  • Dark
  • Nearest: Light coral

#F39389 is a red with RGB values 243, 147, 137 and HSL 6°, 82%, 75%. It is a dark colour, so black text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Light coral.

Colour values

#F39389#F39389
HEX#F39389
RGBrgb(243, 147, 137)
RGB (0–1)0.9529, 0.5765, 0.5373
RGB percentages95.3%, 57.6%, 53.7%
HSLhsl(5.7, 81.5%, 74.5%)
HSV / HSBhsv(5.7, 43.6%, 95.3%)
CMYK0%, 39.5%, 43.6%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,963,017
CSS custom property--colour: #F39389;

Brightness & contrast

Relative luminance0.41728WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.35:1
Contrast with white2.25:1WCAG normal text: Fail
Contrast with black9.35:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#0C6C76

Colour vision & accessibility

Protanopia#A8A188no red cones; affects about 1% of men; ΔE 37.7 from the original
Deuteranopia#BFB488no green cones; the most common form, about 1% of men; ΔE 38.2 from the original
Tritanopia#FF8691no 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 text2.25:1WCAG large text: Fail
Contrast with black, large text9.35:1WCAG large text: AAA

Named colours

Nearest named CSS colourLight coral (#F08080)ΔE 9.06, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#89E9F3
Analogous#F389B4, #F3C889
Triadic#89F393, #9389F3
Split complementary#89F3C8, #89B4F3
Tetradic#B4F389, #89E9F3, #C889F3

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FCE8E6
Lighter +10%#F8BDB7
Darker −10%#EE695B
Darker −20%#EA3E2C
Darker −30%#CE2615
Darker −40%#A01E10
More saturated +25%#FF897D
Less saturated −25%#E3A099

Channel breakdown

R243
G147
B137
Red243 (95.3%)
Green147 (57.6%)
Blue137 (53.7%)
Hue5.66°
Saturation (HSL)81.54%
Lightness74.51%
Dominant channelRed
Hex per channelR F3 · G 93 · B 89

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Also reads as

F39389 (chemical formula)

  • Formula
  • 748,312.222 g/mol
  • 39389 atoms

F39389 has a molar mass of 748,312.222 g/mol, made up of 39389 atoms across 1 element: 39389 × F.

Open this reading on its own page →

Molar mass

Molar mass748,312.222 g/mol
Total atoms per molecule39389
Distinct elements1
Mass of one molecule1.2426017 × 10^-18 g
Molecules per gram8.0476312 × 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 × 39389)748,312.222 g/mol, 100%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “f39389” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.