Recognised as Colour

#FF5452

#FF5452
Red
Dark
Nearest: Tomato

#FF5452 is a red with RGB values 255, 84, 82 and HSL 1°, 100%, 66%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FF5452#FF5452

HEX#FF5452

RGBrgb(255, 84, 82)

RGB (0–1)1, 0.3294, 0.3216

RGB percentages100%, 32.9%, 32.2%

HSLhsl(0.7, 100%, 66.1%)

HSV / HSBhsv(0.7, 67.8%, 100%)

CMYK0%, 67.1%, 67.8%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,733,266

CSS custom property--colour: #FF5452;

Brightness & contrast

Relative luminance0.2821WCAG 2.x, 0 is black and 1 is white

Perceived brightness156 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.64:1

Contrast with white3.16:1WCAG normal text: Fail

Contrast with black6.64:1WCAG normal text: AA

Greyscale equivalent#787878

Inverted#00ABAD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#837950no red cones; affects about 1% of men; ΔE 69.1 from the original

Deuteranopia#AE9E4Dno green cones; the most common form, about 1% of men; ΔE 69.5 from the original

Tritanopia#FF2355no blue cones; rare, and affects men and women equally; ΔE 16.7 from the original

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

Contrast with white, large text3.16:1WCAG large text: AA

Contrast with black, large text6.64:1WCAG large text: AAA

Named colours

Tomato · ΔE 10.9 Crimson · ΔE 15.2 Salmon · ΔE 22.4 Coral · ΔE 22.5 Firebrick · ΔE 22.6 Indian red · ΔE 26.1

Nearest named CSS colourTomato (#FF6347)ΔE 10.89, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#52FDFF

Analogous#FF52A7, #FFAB52

Triadic#52FF54, #5452FF

Split complementary#52FFAB, #52A6FF

Tetradic#A6FF52, #52FDFF, #AB52FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFEBEB

Lighter +20%#FFB9B8

Lighter +10%#FF8685

Darker −10%#FF221F

Darker −20%#EB0300

Darker −30%#B80200

Darker −40%#850200

More saturated +25%#FF5452

Less saturated −25%#E96968

Channel breakdown

R255

G84

B82

Red255 (100%)

Green84 (32.9%)

Blue82 (32.2%)

Hue0.69°

Saturation (HSL)100%

Lightness66.08%

Dominant channelRed

Hex per channelR FF · G 54 · B 52

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF5452 (chemical formula)

Formula
103,596.094 g/mol
5453 atoms

FF5452 has a molar mass of 103,596.094 g/mol, made up of 5453 atoms across 1 element: 5453 × F.

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Molar mass

Molar mass103,596.094 g/mol

Total atoms per molecule5453

Distinct elements1

Mass of one molecule1.7202536 × 10^-19 g

Molecules per gram5.8130964 × 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

F100%

Fluorine (F × 5453)103,596.094 g/mol, 100%

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Elements in this formula

Fluorine

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