Recognised as Colour

#BB4FE5

#BB4FE5
Violet
Dark
Nearest: Dark orchid

#BB4FE5 is a violet with RGB values 187, 79, 229 and HSL 283°, 74%, 60%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#BB4FE5#BB4FE5

HEX#BB4FE5

RGBrgb(187, 79, 229)

RGB (0–1)0.7333, 0.3098, 0.898

RGB percentages73.3%, 31%, 89.8%

HSLhsl(283.2, 74.3%, 60.4%)

HSV / HSBhsv(283.2, 65.5%, 89.8%)

CMYK18.3%, 65.5%, 0%, 10.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,275,685

CSS custom property--colour: #BB4FE5;

Brightness & contrast

Relative luminance0.21814WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.36:1

Contrast with white3.92:1WCAG normal text: Fail

Contrast with black5.36:1WCAG normal text: AA

Greyscale equivalent#717171

Inverted#44B01A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#007AE9no red cones; affects about 1% of men; ΔE 52 from the original

Deuteranopia#4B84E1no green cones; the most common form, about 1% of men; ΔE 54.7 from the original

Tritanopia#B86C94no blue cones; rare, and affects men and women equally; ΔE 57 from the original

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

Contrast with white, large text3.92:1WCAG large text: AA

Contrast with black, large text5.36:1WCAG large text: AAA

Named colours

Dark orchid · ΔE 10.8 Medium orchid · ΔE 11.8 Blue violet · ΔE 21.4 Dark violet · ΔE 22.2 Medium slateblue · ΔE 25.8 Orchid · ΔE 26.6

Nearest named CSS colourDark orchid (#9932CC)ΔE 10.83, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#79E54F

Analogous#704FE5, #E54FC4

Triadic#E5BB4F, #4FE5BB

Split complementary#C4E54F, #4FE570

Tetradic#E5704F, #79E54F, #4FC4E5

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#EFD4F9

Lighter +20%#DDA8F2

Lighter +10%#CC7BEC

Darker −10%#AA23DE

Darker −20%#891BB3

Darker −30%#671487

Darker −40%#450D5B

More saturated +25%#C636FE

Less saturated −25%#B068CC

Channel breakdown

R187

G79

B229

Red187 (73.3%)

Green79 (31%)

Blue229 (89.8%)

Hue283.2°

Saturation (HSL)74.26%

Lightness60.39%

Dominant channelBlue

Hex per channelR BB · G 4F · B E5

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BB4Fe5 (chemical formula)

Formula
333.275 g/mol
10 atoms

BB4Fe5 has a molar mass of 333.275 g/mol, made up of 10 atoms across 2 elements: 5 × B, 5 × Fe.

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Molar mass

Molar mass333.275 g/mol

Total atoms per molecule10

Distinct elements2

Mass of one molecule5.5341616 × 10^-22 g

Molecules per gram1.8069584 × 10^21

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

B16.2%

Fe83.8%

Boron (B × 5)54.05 g/mol, 16.218%

Iron (Fe × 5)279.225 g/mol, 83.782%

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Elements in this formula

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