Recognised as Colour

#F90158

#F90158
Red
Dark
Nearest: Crimson

#F90158 is a red with RGB values 249, 1, 88 and HSL 339°, 99%, 49%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F90158#F90158

HEX#F90158

RGBrgb(249, 1, 88)

RGB (0–1)0.9765, 0.0039, 0.3451

RGB percentages97.6%, 0.4%, 34.5%

HSLhsl(339, 99.2%, 49%)

HSV / HSBhsv(339, 99.6%, 97.6%)

CMYK0%, 99.6%, 64.7%, 2.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,318,808

CSS custom property--colour: #F90158;

Brightness & contrast

Relative luminance0.20866WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.17:1

Contrast with white4.06:1WCAG normal text: Fail

Contrast with black5.17:1WCAG normal text: AA

Greyscale equivalent#3C3C3C

Inverted#06FEA7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#636159no red cones; affects about 1% of men; ΔE 84.8 from the original

Deuteranopia#9B8E52no green cones; the most common form, about 1% of men; ΔE 85.1 from the original

Tritanopia#FF0034no blue cones; rare, and affects men and women equally; ΔE 22.1 from the original

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

Contrast with white, large text4.06:1WCAG large text: AA

Contrast with black, large text5.17:1WCAG large text: AAA

Named colours

Crimson · ΔE 14.1 Firebrick · ΔE 31 Deep pink · ΔE 31.3 Tomato · ΔE 32.6 Brown · ΔE 35 Indian red · ΔE 36

Nearest named CSS colourCrimson (#DC143C)ΔE 14.15, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01F9A2

Analogous#F901D4, #F92601

Triadic#58F901, #0158F9

Split complementary#01F926, #01D4F9

Tetradic#D4F901, #01F9A2, #2601F9

Tints, shades & saturation

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

Lighter +40%#FFC7DB

Lighter +30%#FF94BA

Lighter +20%#FE6299

Lighter +10%#FE2F78

Darker −10%#C60146

Darker −20%#930134

Darker −30%#610022

Darker −40%#2E0010

More saturated +25%#FA0058

Less saturated −25%#DA2061

Channel breakdown

R249

B88

Red249 (97.6%)

Green1 (0.4%)

Blue88 (34.5%)

Hue338.95°

Saturation (HSL)99.2%

Lightness49.02%

Dominant channelRed

Hex per channelR F9 · G 01 · B 58

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F90158 (chemical formula)

Formula
1,712,821.684 g/mol
90158 atoms

F90158 has a molar mass of 1,712,821.684 g/mol, made up of 90158 atoms across 1 element: 90158 × F.

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Molar mass

Molar mass1,712,821.684 g/mol

Total atoms per molecule90158

Distinct elements1

Mass of one molecule2.8442073 × 10^-18 g

Molecules per gram3.5159181 × 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 × 90158)1,712,821.684 g/mol, 100%

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Elements in this formula

Fluorine

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