Recognised as Colour

#FE6591

#FE6591
Red
Dark
Nearest: Hot pink

#FE6591 is a red with RGB values 254, 101, 145 and HSL 343°, 99%, 70%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Hot pink.

Colour values

#FE6591#FE6591

HEX#FE6591

RGBrgb(254, 101, 145)

RGB (0–1)0.9961, 0.3961, 0.5686

RGB percentages99.6%, 39.6%, 56.9%

HSLhsl(342.7, 98.7%, 69.6%)

HSV / HSBhsv(342.7, 60.2%, 99.6%)

CMYK0%, 60.2%, 42.9%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,672,145

CSS custom property--colour: #FE6591;

Brightness & contrast

Relative luminance0.32423WCAG 2.x, 0 is black and 1 is white

Perceived brightness166.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.48:1

Contrast with white2.81:1WCAG normal text: Fail

Contrast with black7.48:1WCAG normal text: AAA

Greyscale equivalent#898989

Inverted#019A6E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#848792no red cones; affects about 1% of men; ΔE 62.5 from the original

Deuteranopia#ACA58Dno green cones; the most common form, about 1% of men; ΔE 63.9 from the original

Tritanopia#FF5276no blue cones; rare, and affects men and women equally; ΔE 12.8 from the original

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

Contrast with white, large text2.81:1WCAG large text: Fail

Contrast with black, large text7.48:1WCAG large text: AAA

Named colours

Hot pink · ΔE 17.6 Pale violetred · ΔE 17.8 Light coral · ΔE 23.1 Indian red · ΔE 25.1 Deep pink · ΔE 27 Salmon · ΔE 28.1

Nearest named CSS colourHot pink (#FF69B4)ΔE 17.63, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#65FED2

Analogous#FE65DD, #FE8665

Triadic#91FE65, #6591FE

Split complementary#65FE86, #65DDFE

Tetradic#DDFE65, #65FED2, #8665FE

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFDFE

Lighter +20%#FFCAD9

Lighter +10%#FE98B5

Darker −10%#FE326D

Darker −20%#FB0249

Darker −30%#C9013B

Darker −40%#96012C

More saturated +25%#FF6491

Less saturated −25%#EB7899

Channel breakdown

R254

G101

B145

Red254 (99.6%)

Green101 (39.6%)

Blue145 (56.9%)

Hue342.75°

Saturation (HSL)98.71%

Lightness69.61%

Dominant channelRed

Hex per channelR FE · G 65 · B 91

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Fe6591 (chemical formula)

Formula
368,074.395 g/mol
6591 atoms

Fe6591 has a molar mass of 368,074.395 g/mol, made up of 6591 atoms across 1 element: 6591 × Fe.

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Molar mass

Molar mass368,074.395 g/mol

Total atoms per molecule6591

Distinct elements1

Mass of one molecule6.1120191 × 10^-19 g

Molecules per gram1.6361205 × 10^18

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

Fe100%

Iron (Fe × 6591)368,074.395 g/mol, 100%

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Elements in this formula

Iron

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