Recognised as Colour

#F99B41

#F99B41
Orange
Dark
Nearest: Sandy brown

#F99B41 is a orange with RGB values 249, 155, 65 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

#F99B41#F99B41

HEX#F99B41

RGBrgb(249, 155, 65)

RGB (0–1)0.9765, 0.6078, 0.2549

RGB percentages97.6%, 60.8%, 25.5%

HSLhsl(29.3, 93.9%, 61.6%)

HSV / HSBhsv(29.3, 73.9%, 97.6%)

CMYK0%, 37.8%, 73.9%, 2.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,358,209

CSS custom property--colour: #F99B41;

Brightness & contrast

Relative luminance0.43964WCAG 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 9.79:1

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

Contrast with black9.79:1WCAG normal text: AAA

Greyscale equivalent#A8A8A8

Inverted#0664BE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B8A435no red cones; affects about 1% of men; ΔE 33.6 from the original

Deuteranopia#CEBA42no 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 43.5 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

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

Contrast with black, large text9.79:1WCAG large text: AAA

Named colours

Sandy brown · ΔE 13.9 Peru · ΔE 17 Dark orange · ΔE 18.3 Chocolate · ΔE 18.8 Orange · ΔE 20 Goldenrod · ΔE 21.6

Nearest named CSS colourSandy brown (#F4A460)ΔE 13.89, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#419FF9

Analogous#F94143, #F9F741

Triadic#41F99B, #9B41F9

Split complementary#41F9F7, #4143F9

Tetradic#43F941, #419FF9, #F741F9

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FEE9D5

Lighter +20%#FCCFA4

Lighter +10%#FBB572

Darker −10%#F78110

Darker −20%#CE6806

Darker −30%#9C4F05

Darker −40%#6B3603

More saturated +25%#FF9B3B

Less saturated −25%#E19C5A

Channel breakdown

R249

G155

B65

Red249 (97.6%)

Green155 (60.8%)

Blue65 (25.5%)

Hue29.35°

Saturation (HSL)93.88%

Lightness61.57%

Dominant channelRed

Hex per channelR F9 · G 9B · B 41

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F99B41 (chemical formula)

Formula
2,324.012 g/mol
140 atoms

F99B41 has a molar mass of 2,324.012 g/mol, made up of 140 atoms across 2 elements: 99 × F, 41 × B.

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Molar mass

Molar mass2,324.012 g/mol

Total atoms per molecule140

Distinct elements2

Mass of one molecule3.8591127 × 10^-21 g

Molecules per gram2.5912692 × 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

F80.9%

B19.1%

Fluorine (F × 99)1,880.802 g/mol, 80.929%

Boron (B × 41)443.21 g/mol, 19.071%

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Elements in this formula

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