Recognised as Colour

#FE4C44

#FE4C44
Red
Dark
Nearest: Tomato

#FE4C44 is a red with RGB values 254, 76, 68 and HSL 3°, 99%, 63%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FE4C44#FE4C44

HEX#FE4C44

RGBrgb(254, 76, 68)

RGB (0–1)0.9961, 0.298, 0.2667

RGB percentages99.6%, 29.8%, 26.7%

HSLhsl(2.6, 98.9%, 63.1%)

HSV / HSBhsv(2.6, 73.2%, 99.6%)

CMYK0%, 70.1%, 73.2%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,665,668

CSS custom property--colour: #FE4C44;

Brightness & contrast

Relative luminance0.26657WCAG 2.x, 0 is black and 1 is white

Perceived brightness152.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.33:1

Contrast with white3.32:1WCAG normal text: Fail

Contrast with black6.33:1WCAG normal text: AA

Greyscale equivalent#717171

Inverted#01B3BB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#807441no red cones; affects about 1% of men; ΔE 71.4 from the original

Deuteranopia#AC9B3Dno green cones; the most common form, about 1% of men; ΔE 72 from the original

Tritanopia#FF004Cno blue cones; rare, and affects men and women equally; ΔE 18.9 from the original

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

Contrast with white, large text3.32:1WCAG large text: AA

Contrast with black, large text6.33:1WCAG large text: AAA

Named colours

Tomato · ΔE 9.6 Crimson · ΔE 16.2 Coral · ΔE 23.1 Firebrick · ΔE 23.1 Orange red · ΔE 25 Salmon · ΔE 27.3

Nearest named CSS colourTomato (#FF6347)ΔE 9.6, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#44F6FE

Analogous#FE4499, #FEA944

Triadic#44FE4C, #4C44FE

Split complementary#44FEA9, #4499FE

Tetradic#99FE44, #44F6FE, #A944FE

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFDEDC

Lighter +20%#FFADA9

Lighter +10%#FE7D77

Darker −10%#FE1B11

Darker −20%#DB0B01

Darker −30%#A80801

Darker −40%#750601

More saturated +25%#FF4B43

Less saturated −25%#E7615B

Channel breakdown

R254

G76

B68

Red254 (99.6%)

Green76 (29.8%)

Blue68 (26.7%)

Hue2.58°

Saturation (HSL)98.94%

Lightness63.14%

Dominant channelRed

Hex per channelR FE · G 4C · B 44

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Fe4C44 (chemical formula)

Formula
751.864 g/mol
48 atoms

Fe4C44 has a molar mass of 751.864 g/mol, made up of 48 atoms across 2 elements: 4 × Fe, 44 × C.

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Molar mass

Molar mass751.864 g/mol

Total atoms per molecule48

Distinct elements2

Mass of one molecule1.2484995 × 10^-21 g

Molecules per gram8.0096145 × 10^20

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

Fe29.7%

C70.3%

Iron (Fe × 4)223.38 g/mol, 29.71%

Carbon (C × 44)528.484 g/mol, 70.29%

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