Recognised as Colour

#C555FE

#C555FE
Violet
Dark
Nearest: Dark orchid

#C555FE is a violet with RGB values 197, 85, 254 and HSL 280°, 99%, 66%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#C555FE#C555FE

HEX#C555FE

RGBrgb(197, 85, 254)

RGB (0–1)0.7725, 0.3333, 0.9961

RGB percentages77.3%, 33.3%, 99.6%

HSLhsl(279.8, 98.8%, 66.5%)

HSV / HSBhsv(279.8, 66.5%, 99.6%)

CMYK22.4%, 66.5%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,932,606

CSS custom property--colour: #C555FE;

Brightness & contrast

Relative luminance0.25523WCAG 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 6.1:1

Contrast with white3.44:1WCAG normal text: Fail

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

Greyscale equivalent#797979

Inverted#3AAA01

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0085FFno red cones; affects about 1% of men; ΔE 54.6 from the original

Deuteranopia#448DFAno green cones; the most common form, about 1% of men; ΔE 56.9 from the original

Tritanopia#BE78A3no blue cones; rare, and affects men and women equally; ΔE 64.8 from the original

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

Contrast with white, large text3.44:1WCAG large text: AA

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

Named colours

Dark orchid · ΔE 15.9 Blue violet · ΔE 18.2 Dark violet · ΔE 19.8 Medium orchid · ΔE 21.3 Fuchsia · ΔE 28.6 Magenta · ΔE 28.6

Nearest named CSS colourDark orchid (#9932CC)ΔE 15.86, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8EFE55

Analogous#7055FE, #FE55E3

Triadic#FEC555, #55FEC5

Split complementary#E3FE55, #55FE70

Tetradic#FE7055, #8EFE55, #55E3FE

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F9EDFF

Lighter +20%#E8BAFF

Lighter +10%#D688FE

Darker −10%#B422FE

Darker −20%#9D01EC

Darker −30%#7B01B9

Darker −40%#590186

More saturated +25%#C554FF

Less saturated −25%#BE6AE9

Channel breakdown

R197

G85

B254

Red197 (77.3%)

Green85 (33.3%)

Blue254 (99.6%)

Hue279.76°

Saturation (HSL)98.83%

Lightness66.47%

Dominant channelBlue

Hex per channelR C5 · G 55 · B FE

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C555Fe (chemical formula)

Formula
6,721.95 g/mol
556 atoms

C555Fe has a molar mass of 6,721.95 g/mol, made up of 556 atoms across 2 elements: 555 × C, 1 × Fe.

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Molar mass

Molar mass6,721.95 g/mol

Total atoms per molecule556

Distinct elements2

Mass of one molecule1.1162061 × 10^-20 g

Molecules per gram8.9589193 × 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

C99.2%

Fe0.8%

Carbon (C × 555)6,666.105 g/mol, 99.169%

Iron (Fe)55.845 g/mol, 0.831%

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Elements in this formula

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