Recognised as Colour

#FF7573

#FF7573
Red
Dark
Nearest: Salmon

#FF7573 is a red with RGB values 255, 117, 115 and HSL 1°, 100%, 73%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Salmon.

Colour values

#FF7573#FF7573

HEX#FF7573

RGBrgb(255, 117, 115)

RGB (0–1)1, 0.4588, 0.451

RGB percentages100%, 45.9%, 45.1%

HSLhsl(0.9, 100%, 72.5%)

HSV / HSBhsv(0.9, 54.9%, 100%)

CMYK0%, 54.1%, 54.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,741,747

CSS custom property--colour: #FF7573;

Brightness & contrast

Relative luminance0.3522WCAG 2.x, 0 is black and 1 is white

Perceived brightness170.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.04:1

Contrast with white2.61:1WCAG normal text: Fail

Contrast with black8.04:1WCAG normal text: AAA

Greyscale equivalent#929292

Inverted#008A8C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#968E72no red cones; affects about 1% of men; ΔE 55.7 from the original

Deuteranopia#B8AB70no green cones; the most common form, about 1% of men; ΔE 56.7 from the original

Tritanopia#FF5E76no blue cones; rare, and affects men and women equally; ΔE 12.9 from the original

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

Contrast with white, large text2.61:1WCAG large text: Fail

Contrast with black, large text8.04:1WCAG large text: AAA

Named colours

Salmon · ΔE 7.6 Light coral · ΔE 12.1 Indian red · ΔE 15.4 Tomato · ΔE 20.6 Coral · ΔE 21.8 Light salmon · ΔE 23.9

Nearest named CSS colourSalmon (#FA8072)ΔE 7.6, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#73FDFF

Analogous#FF73B7, #FFBB73

Triadic#73FF75, #7573FF

Split complementary#73FFBB, #73B7FF

Tetradic#B7FF73, #73FDFF, #BB73FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFDAD9

Lighter +10%#FFA7A6

Darker −10%#FF4340

Darker −20%#FF100D

Darker −30%#D90300

Darker −40%#A60200

More saturated +25%#FF7573

Less saturated −25%#EE8684

Channel breakdown

R255

G117

B115

Red255 (100%)

Green117 (45.9%)

Blue115 (45.1%)

Hue0.86°

Saturation (HSL)100%

Lightness72.55%

Dominant channelRed

Hex per channelR FF · G 75 · B 73

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF7573 (chemical formula)

Formula
143,890.852 g/mol
7574 atoms

FF7573 has a molar mass of 143,890.852 g/mol, made up of 7574 atoms across 1 element: 7574 × F.

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Molar mass

Molar mass143,890.852 g/mol

Total atoms per molecule7574

Distinct elements1

Mass of one molecule2.3893638 × 10^-19 g

Molecules per gram4.1852145 × 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 × 7574)143,890.852 g/mol, 100%

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Elements in this formula

Fluorine

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