Recognised as Colour

#B1FB33

#B1FB33
Green
Light
Nearest: Green yellow

#B1FB33 is a green with RGB values 177, 251, 51 and HSL 82°, 96%, 59%. It is a light colour, so black text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Green yellow.

Colour values

#B1FB33#B1FB33

HEX#B1FB33

RGBrgb(177, 251, 51)

RGB (0–1)0.6941, 0.9843, 0.2

RGB percentages69.4%, 98.4%, 20%

HSLhsl(82.2, 96.2%, 59.2%)

HSV / HSBhsv(82.2, 79.7%, 98.4%)

CMYK29.5%, 0%, 79.7%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,664,179

CSS custom property--colour: #B1FB33;

Brightness & contrast

Relative luminance0.7858WCAG 2.x, 0 is black and 1 is white

Perceived brightness216 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.72:1

Contrast with white1.26:1WCAG normal text: Fail

Contrast with black16.72:1WCAG normal text: AAA

Greyscale equivalent#DDDDDD

Inverted#4E04CC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFE900no red cones; affects about 1% of men; ΔE 39.7 from the original

Deuteranopia#FDE44Ano green cones; the most common form, about 1% of men; ΔE 42.1 from the original

Tritanopia#B7F0D7no blue cones; rare, and affects men and women equally; ΔE 78.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.26:1WCAG large text: Fail

Contrast with black, large text16.72:1WCAG large text: AAA

Named colours

Green yellow · ΔE 3.8 Lawn green · ΔE 19.3 Chartreuse · ΔE 19.7 Yellow green · ΔE 22.8 Limegreen · ΔE 31.8 Yellow · ΔE 31.8

Nearest named CSS colourGreen yellow (#ADFF2F)ΔE 3.76, a close match

Hue familygreen

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7D33FB

Analogous#FBE133, #4DFB33

Triadic#33B1FB, #FB33B1

Split complementary#334DFB, #E133FB

Tetradic#33FBE1, #7D33FB, #FB334D

Tints, shades & saturation

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

Lighter +40%#FEFFFB

Lighter +30%#EAFEC9

Lighter +20%#D7FD97

Lighter +10%#C4FC65

Darker −10%#9DF605

Darker −20%#7DC404

Darker −30%#5D9203

Darker −40%#3D6002

More saturated +25%#B2FF2F

Less saturated −25%#AAE14D

Channel breakdown

R177

G251

B51

Red177 (69.4%)

Green251 (98.4%)

Blue51 (20%)

Hue82.2°

Saturation (HSL)96.15%

Lightness59.22%

Dominant channelGreen

Hex per channelR B1 · G FB · B 33

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B1FB33 (chemical formula)

Formula
386.538 g/mol
35 atoms

B1FB33 has a molar mass of 386.538 g/mol, made up of 35 atoms across 2 elements: 34 × B, 1 × F.

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Molar mass

Molar mass386.538 g/mol

Total atoms per molecule35

Distinct elements2

Mass of one molecule6.4186145 × 10^-22 g

Molecules per gram1.5579686 × 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

B95.1%

F4.9%

Boron (B × 34)367.54 g/mol, 95.085%

Fluorine (F)18.998 g/mol, 4.915%

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