Recognised as Colour

#BFDB1F

#BFDB1F
Yellow
Light
Nearest: Yellow green

#BFDB1F is a yellow with RGB values 191, 219, 31 and HSL 69°, 75%, 49%. It is a light colour, so black text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#BFDB1F#BFDB1F

HEX#BFDB1F

RGBrgb(191, 219, 31)

RGB (0–1)0.749, 0.8588, 0.1216

RGB percentages74.9%, 85.9%, 12.2%

HSLhsl(68.9, 75.2%, 49%)

HSV / HSBhsv(68.9, 85.8%, 85.9%)

CMYK12.8%, 0%, 85.8%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,573,471

CSS custom property--colour: #BFDB1F;

Brightness & contrast

Relative luminance0.61838WCAG 2.x, 0 is black and 1 is white

Perceived brightness197.9 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 13.37:1

Contrast with white1.57:1WCAG normal text: Fail

Contrast with black13.37:1WCAG normal text: AAA

Greyscale equivalent#C7C7C7

Inverted#4024E0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#EACE00no red cones; affects about 1% of men; ΔE 24.6 from the original

Deuteranopia#E7CF36no green cones; the most common form, about 1% of men; ΔE 23.8 from the original

Tritanopia#CBCEBBno blue cones; rare, and affects men and women equally; ΔE 73.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.57:1WCAG large text: Fail

Contrast with black, large text13.37:1WCAG large text: AAA

Named colours

Yellow green · ΔE 15 Yellow · ΔE 23.6 Green yellow · ΔE 24.2 Gold · ΔE 30.2 Lawn green · ΔE 38.6 Chartreuse · ΔE 39.1

Nearest named CSS colourYellow green (#9ACD32)ΔE 15.04, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3B1FDB

Analogous#DB991F, #61DB1F

Triadic#1FBFDB, #DB1FBF

Split complementary#1F61DB, #991FDB

Tetradic#1FDB99, #3B1FDB, #DB1F61

Tints, shades & saturation

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

Lighter +40%#F2F8CE

Lighter +30%#E6F2A1

Lighter +20%#DAEB75

Lighter +10%#CEE548

Darker −10%#98AE19

Darker −20%#718212

Darker −30%#4A550C

Darker −40%#232806

More saturated +25%#D5FA00

Less saturated −25%#A9BC3E

Channel breakdown

R191

G219

B31

Red191 (74.9%)

Green219 (85.9%)

Blue31 (12.2%)

Hue68.94°

Saturation (HSL)75.2%

Lightness49.02%

Dominant channelGreen

Hex per channelR BF · G DB · B 1F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BFDb1F (chemical formula)

Formula
316.806 g/mol
4 atoms

BFDb1F has a molar mass of 316.806 g/mol, made up of 4 atoms across 3 elements: 1 × B, 2 × F, 1 × Db.

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Molar mass

Molar mass316.806 g/mol

Total atoms per molecule4

Distinct elements3

Mass of one molecule5.2606874 × 10^-22 g

Molecules per gram1.9008923 × 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

B3.4%

F12%

Db84.6%

Boron (B)10.81 g/mol, 3.412%

Fluorine (F × 2)37.996 g/mol, 11.993%

Dubnium (Db)268 g/mol, 84.594%

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