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Recognised as Colour

#B1BF83

  • #B1BF83
  • Green
  • Dark
  • Nearest: Dark khaki

#B1BF83 is a green with RGB values 177, 191, 131 and HSL 74°, 32%, 63%. It is a dark colour, so black text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.

Colour values

#B1BF83#B1BF83
HEX#B1BF83
RGBrgb(177, 191, 131)
RGB (0–1)0.6941, 0.749, 0.5137
RGB percentages69.4%, 74.9%, 51.4%
HSLhsl(74, 31.9%, 63.1%)
HSV / HSBhsv(74, 31.4%, 74.9%)
CMYK7.3%, 0%, 31.4%, 25.1%naive device-independent conversion; real print needs an ICC profile
24-bit integer11,648,899
CSS custom property--colour: #B1BF83;

Brightness & contrast

Relative luminance0.48247WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.65:1
Contrast with white1.97:1WCAG normal text: Fail
Contrast with black10.65:1WCAG normal text: AAA
Greyscale equivalent#B8B8B8
Inverted#4E407C

Colour vision & accessibility

Protanopia#C7B97Fno red cones; affects about 1% of men; ΔE 11.5 from the original
Deuteranopia#C5B986no green cones; the most common form, about 1% of men; ΔE 11.4 from the original
Tritanopia#B7B9AFno blue cones; rare, and affects men and women equally; ΔE 26.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.97:1WCAG large text: Fail
Contrast with black, large text10.65:1WCAG large text: AAA

Named colours

Nearest named CSS colourDark khaki (#BDB76B)ΔE 12.25, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#9183BF
Analogous#BFAF83, #93BF83
Triadic#83B1BF, #BF83B1
Split complementary#8393BF, #AF83BF
Tetradic#83BFAF, #9183BF, #BF8393

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#F0F3E8
Lighter +20%#DBE2C6
Lighter +10%#C6D0A5
Darker −10%#9CAE61
Darker −20%#81914B
Darker −30%#636F3A
Darker −40%#454E28
More saturated +25%#BED76B
Less saturated −25%#A4A89B

Channel breakdown

R177
G191
B131
Red177 (69.4%)
Green191 (74.9%)
Blue131 (51.4%)
Hue74°
Saturation (HSL)31.91%
Lightness63.14%
Dominant channelGreen
Hex per channelR B1 · G BF · B 83

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Also reads as

B1BF83 (chemical formula)

  • Formula
  • 1,598.454 g/mol
  • 85 atoms

B1BF83 has a molar mass of 1,598.454 g/mol, made up of 85 atoms across 2 elements: 2 × B, 83 × F.

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Molar mass

Molar mass1,598.454 g/mol
Total atoms per molecule85
Distinct elements2
Mass of one molecule2.6542953 × 10^-21 g
Molecules per gram3.7674783 × 10^20

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

B1.4%
F98.6%
Boron (B × 2)21.62 g/mol, 1.353%
Fluorine (F × 83)1,576.834 g/mol, 98.647%

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Every value on this page was computed from “b1bf83” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.