Recognised as Colour

#FE4582

#FE4582
Red
Dark
Nearest: Deep pink

#FE4582 is a red with RGB values 254, 69, 130 and HSL 340°, 99%, 63%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Deep pink.

Colour values

#FE4582#FE4582

HEX#FE4582

RGBrgb(254, 69, 130)

RGB (0–1)0.9961, 0.2706, 0.5098

RGB percentages99.6%, 27.1%, 51%

HSLhsl(340.2, 98.9%, 63.3%)

HSV / HSBhsv(340.2, 72.8%, 99.6%)

CMYK0%, 72.8%, 48.8%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,663,938

CSS custom property--colour: #FE4582;

Brightness & contrast

Relative luminance0.26939WCAG 2.x, 0 is black and 1 is white

Perceived brightness155 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.39:1

Contrast with white3.29:1WCAG normal text: Fail

Contrast with black6.39:1WCAG normal text: AA

Greyscale equivalent#717171

Inverted#01BA7D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#727683no red cones; affects about 1% of men; ΔE 73.6 from the original

Deuteranopia#A39B7Eno green cones; the most common form, about 1% of men; ΔE 75 from the original

Tritanopia#FF1A5Fno blue cones; rare, and affects men and women equally; ΔE 17.6 from the original

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

Contrast with white, large text3.29:1WCAG large text: AA

Contrast with black, large text6.39:1WCAG large text: AAA

Named colours

Deep pink · ΔE 18.9 Hot pink · ΔE 22 Crimson · ΔE 27.7 Medium violet red · ΔE 27.7 Pale violetred · ΔE 28.3 Indian red · ΔE 31.3

Nearest named CSS colourDeep pink (#FF1493)ΔE 18.93, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#45FEC1

Analogous#FE45DE, #FE6445

Triadic#82FE45, #4582FE

Split complementary#45FE64, #45DEFE

Tetradic#DFFE45, #45FEC1, #6545FE

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFDDE8

Lighter +20%#FFAAC6

Lighter +10%#FE78A4

Darker −10%#FE1260

Darker −20%#DC0149

Darker −30%#A90138

Darker −40%#760127

More saturated +25%#FF4482

Less saturated −25%#E75C8A

Channel breakdown

R254

G69

B130

Red254 (99.6%)

Green69 (27.1%)

Blue130 (51%)

Hue340.22°

Saturation (HSL)98.93%

Lightness63.33%

Dominant channelRed

Hex per channelR FE · G 45 · B 82

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Fe4582 (chemical formula)

Formula
255,881.79 g/mol
4582 atoms

Fe4582 has a molar mass of 255,881.79 g/mol, made up of 4582 atoms across 1 element: 4582 × Fe.

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Molar mass

Molar mass255,881.79 g/mol

Total atoms per molecule4582

Distinct elements1

Mass of one molecule4.2490171 × 10^-19 g

Molecules per gram2.3534855 × 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 × 4582)255,881.79 g/mol, 100%

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Elements in this formula

Iron

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