Recognised as Colour

#F46557

#F46557
Red
Dark
Nearest: Tomato

#F46557 is a red with RGB values 244, 101, 87 and HSL 5°, 88%, 65%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#F46557#F46557

HEX#F46557

RGBrgb(244, 101, 87)

RGB (0–1)0.9569, 0.3961, 0.3412

RGB percentages95.7%, 39.6%, 34.1%

HSLhsl(5.4, 87.7%, 64.9%)

HSV / HSBhsv(5.4, 64.3%, 95.7%)

CMYK0%, 58.6%, 64.3%, 4.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,016,727

CSS custom property--colour: #F46557;

Brightness & contrast

Relative luminance0.29229WCAG 2.x, 0 is black and 1 is white

Perceived brightness157 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.85:1

Contrast with white3.07:1WCAG normal text: Fail

Contrast with black6.85:1WCAG normal text: AA

Greyscale equivalent#828282

Inverted#0B9AA8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8A8055no red cones; affects about 1% of men; ΔE 58.5 from the original

Deuteranopia#AE9F53no green cones; the most common form, about 1% of men; ΔE 59.1 from the original

Tritanopia#FF4862no blue cones; rare, and affects men and women equally; ΔE 18 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.07:1WCAG large text: AA

Contrast with black, large text6.85:1WCAG large text: AAA

Named colours

Tomato · ΔE 11.3 Salmon · ΔE 12.8 Coral · ΔE 15.8 Indian red · ΔE 18.2 Light coral · ΔE 20.5 Firebrick · ΔE 22

Nearest named CSS colourTomato (#FF6347)ΔE 11.25, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#57E6F4

Analogous#F45798, #F4B357

Triadic#57F465, #6557F4

Split complementary#57F4B4, #5798F4

Tetradic#98F457, #57E6F4, #B357F4

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#FDE9E7

Lighter +20%#FABDB7

Lighter +10%#F79187

Darker −10%#F13927

Darker −20%#D7200E

Darker −30%#A7190B

Darker −40%#771208

More saturated +25%#FF5C4C

Less saturated −25%#DE776D

Channel breakdown

R244

G101

B87

Red244 (95.7%)

Green101 (39.6%)

Blue87 (34.1%)

Hue5.35°

Saturation (HSL)87.71%

Lightness64.9%

Dominant channelRed

Hex per channelR F4 · G 65 · B 57

Keep nerding

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

Harmonies

Lighter and darker

Similar named colours

Also reads as

F46557 (chemical formula)

Formula
884,489.886 g/mol
46557 atoms

F46557 has a molar mass of 884,489.886 g/mol, made up of 46557 atoms across 1 element: 46557 × F.

Open this reading on its own page →

Molar mass

Molar mass884,489.886 g/mol

Total atoms per molecule46557

Distinct elements1

Mass of one molecule1.46873 × 10^-18 g

Molecules per gram6.8086033 × 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 × 46557)884,489.886 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

Fluorine

Nerdulate something else

Nothing in mind? Surprise me · today’s page