Recognised as Colour

#FFBF2B

#FFBF2B
Orange
Light
Nearest: Goldenrod

#FFBF2B is a orange with RGB values 255, 191, 43 and HSL 42°, 100%, 58%. It is a light colour, so black text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#FFBF2B#FFBF2B

HEX#FFBF2B

RGBrgb(255, 191, 43)

RGB (0–1)1, 0.749, 0.1686

RGB percentages100%, 74.9%, 16.9%

HSLhsl(41.9, 100%, 58.4%)

HSV / HSBhsv(41.9, 83.1%, 100%)

CMYK0%, 25.1%, 83.1%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,760,619

CSS custom property--colour: #FFBF2B;

Brightness & contrast

Relative luminance0.58696WCAG 2.x, 0 is black and 1 is white

Perceived brightness202.7 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 12.74:1

Contrast with white1.65:1WCAG normal text: Fail

Contrast with black12.74:1WCAG normal text: AAA

Greyscale equivalent#C2C2C2

Inverted#0040D4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#D9C000no red cones; affects about 1% of men; ΔE 18.2 from the original

Deuteranopia#E8D034no green cones; the most common form, about 1% of men; ΔE 18.4 from the original

Tritanopia#FFACA4no blue cones; rare, and affects men and women equally; ΔE 62.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.65:1WCAG large text: Fail

Contrast with black, large text12.74:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 12.8 Orange · ΔE 14.6 Gold · ΔE 18.1 Dark goldenrod · ΔE 25.6 Dark orange · ΔE 28.3 Sandy brown · ΔE 32.3

Nearest named CSS colourGoldenrod (#DAA520)ΔE 12.8, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2B6BFF

Analogous#FF552B, #D5FF2B

Triadic#2BFFBF, #BF2BFF

Split complementary#2BD5FF, #552BFF

Tetradic#2BFF55, #2B6BFF, #FF2BD5

Tints, shades & saturation

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

Lighter +40%#FFFDF7

Lighter +30%#FFEDC4

Lighter +20%#FFDE91

Lighter +10%#FFCE5E

Darker −10%#F7AC00

Darker −20%#C48900

Darker −30%#916500

Darker −40%#5E4200

More saturated +25%#FFBF2B

Less saturated −25%#E5B546

Channel breakdown

R255

G191

B43

Red255 (100%)

Green191 (74.9%)

Blue43 (16.9%)

Hue41.89°

Saturation (HSL)100%

Lightness58.43%

Dominant channelRed

Hex per channelR FF · G BF · B 2B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFBF2B (chemical formula)

Formula
97.612 g/mol
6 atoms

FFBF2B has a molar mass of 97.612 g/mol, made up of 6 atoms across 2 elements: 4 × F, 2 × B.

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Molar mass

Molar mass97.612 g/mol

Total atoms per molecule6

Distinct elements2

Mass of one molecule1.6208854 × 10^-22 g

Molecules per gram6.1694676 × 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

F77.9%

B22.1%

Fluorine (F × 4)75.992 g/mol, 77.851%

Boron (B × 2)21.62 g/mol, 22.149%

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