Recognised as Colour

#F99B42

#F99B42
Orange
Dark
Nearest: Sandy brown

#F99B42 is a orange with RGB values 249, 155, 66 and HSL 29°, 94%, 62%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Sandy brown.

Colour values

#F99B42#F99B42

HEX#F99B42

RGBrgb(249, 155, 66)

RGB (0–1)0.9765, 0.6078, 0.2588

RGB percentages97.6%, 60.8%, 25.9%

HSLhsl(29.2, 93.8%, 61.8%)

HSV / HSBhsv(29.2, 73.5%, 97.6%)

CMYK0%, 37.8%, 73.5%, 2.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,358,210

CSS custom property--colour: #F99B42;

Brightness & contrast

Relative luminance0.43976WCAG 2.x, 0 is black and 1 is white

Perceived brightness182 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.8:1

Contrast with white2.14:1WCAG normal text: Fail

Contrast with black9.8:1WCAG normal text: AAA

Greyscale equivalent#A9A9A9

Inverted#0664BD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B8A437no red cones; affects about 1% of men; ΔE 33.6 from the original

Deuteranopia#CEBA43no green cones; the most common form, about 1% of men; ΔE 34.6 from the original

Tritanopia#FF8688no blue cones; rare, and affects men and women equally; ΔE 43.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.14:1WCAG large text: Fail

Contrast with black, large text9.8:1WCAG large text: AAA

Named colours

Sandy brown · ΔE 13.5 Peru · ΔE 16.8 Dark orange · ΔE 18.7 Chocolate · ΔE 18.7 Orange · ΔE 20.4 Coral · ΔE 21.4

Nearest named CSS colourSandy brown (#F4A460)ΔE 13.51, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#42A0F9

Analogous#F94244, #F9F742

Triadic#42F99B, #9B42F9

Split complementary#42F9F7, #4244F9

Tetradic#44F942, #42A0F9, #F742F9

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FEE9D6

Lighter +20%#FCCFA5

Lighter +10%#FBB573

Darker −10%#F78111

Darker −20%#CE6807

Darker −30%#9D4F05

Darker −40%#6C3603

More saturated +25%#FF9B3C

Less saturated −25%#E19C5A

Channel breakdown

R249

G155

B66

Red249 (97.6%)

Green155 (60.8%)

Blue66 (25.9%)

Hue29.18°

Saturation (HSL)93.85%

Lightness61.76%

Dominant channelRed

Hex per channelR F9 · G 9B · B 42

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F99B42 (chemical formula)

Formula
2,334.822 g/mol
141 atoms

F99B42 has a molar mass of 2,334.822 g/mol, made up of 141 atoms across 2 elements: 99 × F, 42 × B.

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Molar mass

Molar mass2,334.822 g/mol

Total atoms per molecule141

Distinct elements2

Mass of one molecule3.8770631 × 10^-21 g

Molecules per gram2.5792719 × 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

F80.6%

B19.4%

Fluorine (F × 99)1,880.802 g/mol, 80.554%

Boron (B × 42)454.02 g/mol, 19.446%

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