Recognised as Colour

#B1F519

#B1F519
Green
Light
Nearest: Green yellow

#B1F519 is a green with RGB values 177, 245, 25 and HSL 79°, 92%, 53%. It is a light colour, so black text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Green yellow.

Colour values

#B1F519#B1F519

HEX#B1F519

RGBrgb(177, 245, 25)

RGB (0–1)0.6941, 0.9608, 0.098

RGB percentages69.4%, 96.1%, 9.8%

HSLhsl(78.5, 91.7%, 52.9%)

HSV / HSBhsv(78.5, 89.8%, 96.1%)

CMYK27.8%, 0%, 89.8%, 3.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,662,617

CSS custom property--colour: #B1F519;

Brightness & contrast

Relative luminance0.74722WCAG 2.x, 0 is black and 1 is white

Perceived brightness211.4 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 15.94:1

Contrast with white1.32:1WCAG normal text: Fail

Contrast with black15.94:1WCAG normal text: AAA

Greyscale equivalent#D7D7D7

Inverted#4E0AE6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFE300no red cones; affects about 1% of men; ΔE 40 from the original

Deuteranopia#F9DF3Bno green cones; the most common form, about 1% of men; ΔE 40.7 from the original

Tritanopia#B8E9D1no blue cones; rare, and affects men and women equally; ΔE 82 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.32:1WCAG large text: Fail

Contrast with black, large text15.94:1WCAG large text: AAA

Named colours

Green yellow · ΔE 6 Lawn green · ΔE 20.4 Chartreuse · ΔE 20.6 Yellow green · ΔE 23.5 Yellow · ΔE 29.1 Limegreen · ΔE 34.1

Nearest named CSS colourGreen yellow (#ADFF2F)ΔE 5.99, clearly different but related

Hue familygreen

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5D19F5

Analogous#F5CB19, #43F519

Triadic#19B1F5, #F519B1

Split complementary#1943F5, #CB19F5

Tetradic#19F5CB, #5D19F5, #F51943

Tints, shades & saturation

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

Lighter +40%#F3FEDC

Lighter +30%#E3FBAC

Lighter +20%#D2F97B

Lighter +10%#C2F74A

Darker −10%#94D209

Darker −20%#71A107

Darker −30%#4F7005

Darker −40%#2D3F03

More saturated +25%#B5FF0F

Less saturated −25%#A6D737

Channel breakdown

R177

G245

B25

Red177 (69.4%)

Green245 (96.1%)

Blue25 (9.8%)

Hue78.55°

Saturation (HSL)91.67%

Lightness52.94%

Dominant channelGreen

Hex per channelR B1 · G F5 · B 19

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B1F519 (chemical formula)

Formula
9,870.772 g/mol
520 atoms

B1F519 has a molar mass of 9,870.772 g/mol, made up of 520 atoms across 2 elements: 1 × B, 519 × F.

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Molar mass

Molar mass9,870.772 g/mol

Total atoms per molecule520

Distinct elements2

Mass of one molecule1.6390803 × 10^-20 g

Molecules per gram6.1009825 × 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

B0.1%

F99.9%

Boron (B)10.81 g/mol, 0.11%

Fluorine (F × 519)9,859.962 g/mol, 99.89%

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