Recognised as Colour

#FF686C

#FF686C
Red
Dark
Nearest: Salmon

#FF686C is a red with RGB values 255, 104, 108 and HSL 358°, 100%, 70%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Salmon.

Colour values

#FF686C#FF686C

HEX#FF686C

RGBrgb(255, 104, 108)

RGB (0–1)1, 0.4078, 0.4235

RGB percentages100%, 40.8%, 42.4%

HSLhsl(358.4, 100%, 70.4%)

HSV / HSBhsv(358.4, 59.2%, 100%)

CMYK0%, 59.2%, 57.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,738,412

CSS custom property--colour: #FF686C;

Brightness & contrast

Relative luminance0.32243WCAG 2.x, 0 is black and 1 is white

Perceived brightness164.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.45:1

Contrast with white2.82:1WCAG normal text: Fail

Contrast with black7.45:1WCAG normal text: AAA

Greyscale equivalent#888888

Inverted#009793

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8D866Bno red cones; affects about 1% of men; ΔE 61.5 from the original

Deuteranopia#B3A668no green cones; the most common form, about 1% of men; ΔE 62.5 from the original

Tritanopia#FF4C6Bno blue cones; rare, and affects men and women equally; ΔE 12.7 from the original

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

Contrast with white, large text2.82:1WCAG large text: Fail

Contrast with black, large text7.45:1WCAG large text: AAA

Named colours

Salmon · ΔE 13.2 Light coral · ΔE 17.2 Indian red · ΔE 17.4 Tomato · ΔE 18.7 Crimson · ΔE 21.9 Coral · ΔE 23.6

Nearest named CSS colourSalmon (#FA8072)ΔE 13.15, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#68FFFB

Analogous#FF68B7, #FFAF68

Triadic#6CFF68, #686CFF

Split complementary#68FFAF, #68B7FF

Tetradic#B8FF68, #68FFFB, #B068FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFCECF

Lighter +10%#FF9B9E

Darker −10%#FF353A

Darker −20%#FF0209

Darker −30%#CE0005

Darker −40%#9B0004

More saturated +25%#FF686C

Less saturated −25%#EC7B7E

Channel breakdown

R255

G104

B108

Red255 (100%)

Green104 (40.8%)

Blue108 (42.4%)

Hue358.41°

Saturation (HSL)100%

Lightness70.39%

Dominant channelRed

Hex per channelR FF · G 68 · B 6C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF686C (chemical formula)

Formula
13,063.637 g/mol
688 atoms

FF686C has a molar mass of 13,063.637 g/mol, made up of 688 atoms across 2 elements: 687 × F, 1 × C.

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Molar mass

Molar mass13,063.637 g/mol

Total atoms per molecule688

Distinct elements2

Mass of one molecule2.169268 × 10^-20 g

Molecules per gram4.60985 × 10^19

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

F99.9%

C0.1%

Fluorine (F × 687)13,051.626 g/mol, 99.908%

Carbon (C)12.011 g/mol, 0.092%

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Elements in this formula

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