Recognised as Colour

#FFBB73

#FFBB73
Orange
Light
Nearest: Sandy brown

#FFBB73 is a orange with RGB values 255, 187, 115 and HSL 31°, 100%, 73%. It is a light colour, so black text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Sandy brown.

Colour values

#FFBB73#FFBB73

HEX#FFBB73

RGBrgb(255, 187, 115)

RGB (0–1)1, 0.7333, 0.451

RGB percentages100%, 73.3%, 45.1%

HSLhsl(30.9, 100%, 72.5%)

HSV / HSBhsv(30.9, 54.9%, 100%)

CMYK0%, 26.7%, 54.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,759,667

CSS custom property--colour: #FFBB73;

Brightness & contrast

Relative luminance0.58038WCAG 2.x, 0 is black and 1 is white

Perceived brightness203.7 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 12.61:1

Contrast with white1.67:1WCAG normal text: Fail

Contrast with black12.61:1WCAG normal text: AAA

Greyscale equivalent#C4C4C4

Inverted#00448C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#D1BF6Dno red cones; affects about 1% of men; ΔE 21.8 from the original

Deuteranopia#E1CF74no green cones; the most common form, about 1% of men; ΔE 22.6 from the original

Tritanopia#FFABAAno blue cones; rare, and affects men and women equally; ΔE 35.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.67:1WCAG large text: Fail

Contrast with black, large text12.61:1WCAG large text: AAA

Named colours

Sandy brown · ΔE 9.3 Burlywood · ΔE 18.9 Light salmon · ΔE 19.4 Peru · ΔE 19.7 Navajo white · ΔE 23.3 Dark salmon · ΔE 24

Nearest named CSS colourSandy brown (#F4A460)ΔE 9.28, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#73B7FF

Analogous#FF7573, #FDFF73

Triadic#73FFBB, #BB73FF

Split complementary#73FDFF, #7573FF

Tetradic#73FF75, #73B7FF, #FF73FD

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFEDD9

Lighter +10%#FFD4A6

Darker −10%#FFA240

Darker −20%#FF890D

Darker −30%#D97000

Darker −40%#A65500

More saturated +25%#FFBB73

Less saturated −25%#EEBA84

Channel breakdown

R255

G187

B115

Red255 (100%)

Green187 (73.3%)

Blue115 (45.1%)

Hue30.86°

Saturation (HSL)100%

Lightness72.55%

Dominant channelRed

Hex per channelR FF · G BB · B 73

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFBB73 (chemical formula)

Formula
837.936 g/mol
76 atoms

FFBB73 has a molar mass of 837.936 g/mol, made up of 76 atoms across 2 elements: 2 × F, 74 × B.

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Molar mass

Molar mass837.936 g/mol

Total atoms per molecule76

Distinct elements2

Mass of one molecule1.3914255 × 10^-21 g

Molecules per gram7.1868744 × 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

F4.5%

B95.5%

Fluorine (F × 2)37.996 g/mol, 4.534%

Boron (B × 74)799.94 g/mol, 95.466%

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Elements in this formula

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