Recognised as Colour

#F98511

#F98511
Orange
Dark
Nearest: Dark orange

#F98511 is a orange with RGB values 249, 133, 17 and HSL 30°, 95%, 52%. It is a dark colour, so black text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#F98511#F98511

HEX#F98511

RGBrgb(249, 133, 17)

RGB (0–1)0.9765, 0.5216, 0.0667

RGB percentages97.6%, 52.2%, 6.7%

HSLhsl(30, 95.1%, 52.2%)

HSV / HSBhsv(30, 93.2%, 97.6%)

CMYK0%, 46.6%, 93.2%, 2.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,352,529

CSS custom property--colour: #F98511;

Brightness & contrast

Relative luminance0.36955WCAG 2.x, 0 is black and 1 is white

Perceived brightness170.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.39:1

Contrast with white2.5:1WCAG normal text: Fail

Contrast with black8.39:1WCAG normal text: AAA

Greyscale equivalent#959595

Inverted#067AEE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A89300no red cones; affects about 1% of men; ΔE 43.7 from the original

Deuteranopia#C3AE0Eno green cones; the most common form, about 1% of men; ΔE 45 from the original

Tritanopia#FF6A72no blue cones; rare, and affects men and women equally; ΔE 50.2 from the original

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

Contrast with white, large text2.5:1WCAG large text: Fail

Contrast with black, large text8.39:1WCAG large text: AAA

Named colours

Dark orange · ΔE 5 Orange · ΔE 17.9 Chocolate · ΔE 18.3 Coral · ΔE 24.7 Peru · ΔE 29.2 Sandy brown · ΔE 29.4

Nearest named CSS colourDark orange (#FF8C00)ΔE 5.05, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1185F9

Analogous#F91111, #F9F911

Triadic#11F985, #8511F9

Split complementary#11F9F9, #1111F9

Tetradic#11F911, #1185F9, #F911F9

Tints, shades & saturation

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

Lighter +40%#FEEBD8

Lighter +30%#FDD2A6

Lighter +20%#FCB874

Lighter +10%#FA9F43

Darker −10%#D26C05

Darker −20%#A05204

Darker −30%#6E3903

Darker −40%#3C1F02

More saturated +25%#FF850B

Less saturated −25%#DB8530

Channel breakdown

R249

G133

B17

Red249 (97.6%)

Green133 (52.2%)

Blue17 (6.7%)

Hue30°

Saturation (HSL)95.08%

Lightness52.16%

Dominant channelRed

Hex per channelR F9 · G 85 · B 11

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F98511 (chemical formula)

Formula
1,871,511.978 g/mol
98511 atoms

F98511 has a molar mass of 1,871,511.978 g/mol, made up of 98511 atoms across 1 element: 98511 × F.

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Molar mass

Molar mass1,871,511.978 g/mol

Total atoms per molecule98511

Distinct elements1

Mass of one molecule3.1077188 × 10^-18 g

Molecules per gram3.2177944 × 10^17

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

F100%

Fluorine (F × 98511)1,871,511.978 g/mol, 100%

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Elements in this formula

Fluorine

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