Recognised as Colour

#F25146

#F25146
Red
Dark
Nearest: Tomato

#F25146 is a red with RGB values 242, 81, 70 and HSL 4°, 87%, 61%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#F25146#F25146

HEX#F25146

RGBrgb(242, 81, 70)

RGB (0–1)0.949, 0.3176, 0.2745

RGB percentages94.9%, 31.8%, 27.5%

HSLhsl(3.8, 86.9%, 61.2%)

HSV / HSBhsv(3.8, 71.1%, 94.9%)

CMYK0%, 66.5%, 71.1%, 5.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,880,518

CSS custom property--colour: #F25146;

Brightness & contrast

Relative luminance0.25204WCAG 2.x, 0 is black and 1 is white

Perceived brightness148.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.04:1

Contrast with white3.48:1WCAG normal text: Fail

Contrast with black6.04:1WCAG normal text: AA

Greyscale equivalent#727272

Inverted#0DAEB9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7E7344no red cones; affects about 1% of men; ΔE 65.7 from the original

Deuteranopia#A69641no green cones; the most common form, about 1% of men; ΔE 66.1 from the original

Tritanopia#FF2250no blue cones; rare, and affects men and women equally; ΔE 19.2 from the original

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

Contrast with white, large text3.48:1WCAG large text: AA

Contrast with black, large text6.04:1WCAG large text: AAA

Named colours

Tomato · ΔE 8.1 Crimson · ΔE 16 Firebrick · ΔE 19.1 Coral · ΔE 19.7 Salmon · ΔE 22 Brown · ΔE 24.9

Nearest named CSS colourTomato (#FF6347)ΔE 8.07, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#46E7F2

Analogous#F24691, #F2A746

Triadic#46F251, #5146F2

Split complementary#46F2A7, #4691F2

Tetradic#91F246, #46E7F2, #A746F2

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FCD7D5

Lighter +20%#F9ABA5

Lighter +10%#F57E76

Darker −10%#EF2416

Darker −20%#C4190E

Darker −30%#95130A

Darker −40%#650D07

More saturated +25%#FF4639

Less saturated −25%#D9675F

Channel breakdown

R242

G81

B70

Red242 (94.9%)

Green81 (31.8%)

Blue70 (27.5%)

Hue3.84°

Saturation (HSL)86.87%

Lightness61.18%

Dominant channelRed

Hex per channelR F2 · G 51 · B 46

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F25146 (chemical formula)

Formula
477,723.708 g/mol
25146 atoms

F25146 has a molar mass of 477,723.708 g/mol, made up of 25146 atoms across 1 element: 25146 × F.

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Molar mass

Molar mass477,723.708 g/mol

Total atoms per molecule25146

Distinct elements1

Mass of one molecule7.9327888 × 10^-19 g

Molecules per gram1.2605907 × 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 × 25146)477,723.708 g/mol, 100%

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Elements in this formula

Fluorine

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