Recognised as Colour

#F9290F

#F9290F
Red
Dark
Nearest: Red

#F9290F is a red with RGB values 249, 41, 15 and HSL 7°, 95%, 52%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#F9290F#F9290F

HEX#F9290F

RGBrgb(249, 41, 15)

RGB (0–1)0.9765, 0.1608, 0.0588

RGB percentages97.6%, 16.1%, 5.9%

HSLhsl(6.7, 95.1%, 51.8%)

HSV / HSBhsv(6.7, 94%, 97.6%)

CMYK0%, 83.5%, 94%, 2.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,328,975

CSS custom property--colour: #F9290F;

Brightness & contrast

Relative luminance0.2176WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.35:1

Contrast with white3.92:1WCAG normal text: Fail

Contrast with black5.35:1WCAG normal text: AA

Greyscale equivalent#535353

Inverted#06D6F0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#716401no red cones; affects about 1% of men; ΔE 80.4 from the original

Deuteranopia#A39000no green cones; the most common form, about 1% of men; ΔE 79.4 from the original

Tritanopia#FF0028no blue cones; rare, and affects men and women equally; ΔE 11.8 from the original

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

Contrast with white, large text3.92:1WCAG large text: AA

Contrast with black, large text5.35:1WCAG large text: AAA

Named colours

Red · ΔE 7.6 Orange red · ΔE 9.2 Tomato · ΔE 24.5 Crimson · ΔE 30.4 Firebrick · ΔE 34.4 Coral · ΔE 35.1

Nearest named CSS colourRed (#FF0000)ΔE 7.56, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0FDFF9

Analogous#F90F6A, #F99E0F

Triadic#0FF929, #290FF9

Split complementary#0FF99E, #0F6AF9

Tetradic#6AF90F, #0FDFF9, #9E0FF9

Tints, shades & saturation

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

Lighter +40%#FEDAD6

Lighter +30%#FDAEA4

Lighter +20%#FB8273

Lighter +10%#FA5541

Darker −10%#D01C05

Darker −20%#9E1504

Darker −30%#6C0E03

Darker −40%#3B0801

More saturated +25%#FF2409

Less saturated −25%#DA412E

Channel breakdown

R249

G41

B15

Red249 (97.6%)

Green41 (16.1%)

Blue15 (5.9%)

Hue6.67°

Saturation (HSL)95.12%

Lightness51.76%

Dominant channelRed

Hex per channelR F9 · G 29 · B 0F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F9290F (chemical formula)

Formula
176,510.418 g/mol
9291 atoms

F9290F has a molar mass of 176,510.418 g/mol, made up of 9291 atoms across 1 element: 9291 × F.

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Molar mass

Molar mass176,510.418 g/mol

Total atoms per molecule9291

Distinct elements1

Mass of one molecule2.9310244 × 10^-19 g

Molecules per gram3.4117764 × 10^18

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 × 9291)176,510.418 g/mol, 100%

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Elements in this formula

Fluorine

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