Recognised as Colour

#F5653B

#F5653B
Red
Dark
Nearest: Tomato

#F5653B is a red with RGB values 245, 101, 59 and HSL 14°, 90%, 60%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#F5653B#F5653B

HEX#F5653B

RGBrgb(245, 101, 59)

RGB (0–1)0.9608, 0.3961, 0.2314

RGB percentages96.1%, 39.6%, 23.1%

HSLhsl(13.5, 90.3%, 59.6%)

HSV / HSBhsv(13.5, 75.9%, 96.1%)

CMYK0%, 58.8%, 75.9%, 3.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,082,235

CSS custom property--colour: #F5653B;

Brightness & contrast

Relative luminance0.29036WCAG 2.x, 0 is black and 1 is white

Perceived brightness156 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.81:1

Contrast with white3.09:1WCAG normal text: Fail

Contrast with black6.81:1WCAG normal text: AA

Greyscale equivalent#818181

Inverted#0A9AC4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8D7F35no red cones; affects about 1% of men; ΔE 58.5 from the original

Deuteranopia#B19F36no green cones; the most common form, about 1% of men; ΔE 58.8 from the original

Tritanopia#FF435Cno blue cones; rare, and affects men and women equally; ΔE 27.5 from the original

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

Contrast with white, large text3.09:1WCAG large text: AA

Contrast with black, large text6.81:1WCAG large text: AAA

Named colours

Tomato · ΔE 6.5 Coral · ΔE 10.5 Chocolate · ΔE 17.8 Salmon · ΔE 23.7 Orange red · ΔE 23.8 Firebrick · ΔE 25.4

Nearest named CSS colourTomato (#FF6347)ΔE 6.5, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3BCBF5

Analogous#F53B6E, #F5C23B

Triadic#3BF565, #653BF5

Split complementary#3BF5C2, #3B6EF5

Tetradic#6EF53B, #3BCBF5, #C23BF5

Tints, shades & saturation

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

Lighter +40%#FFFEFD

Lighter +30%#FCD7CD

Lighter +20%#FAB19C

Lighter +10%#F78B6C

Darker −10%#F1400C

Darker −20%#C0330A

Darker −30%#902607

Darker −40%#5F1905

More saturated +25%#FF6031

Less saturated −25%#DB7355

Channel breakdown

R245

G101

B59

Red245 (96.1%)

Green101 (39.6%)

Blue59 (23.1%)

Hue13.55°

Saturation (HSL)90.29%

Lightness59.61%

Dominant channelRed

Hex per channelR F5 · G 65 · B 3B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F5653B (chemical formula)

Formula
107,406.504 g/mol
5654 atoms

F5653B has a molar mass of 107,406.504 g/mol, made up of 5654 atoms across 2 elements: 5653 × F, 1 × B.

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Molar mass

Molar mass107,406.504 g/mol

Total atoms per molecule5654

Distinct elements2

Mass of one molecule1.783527 × 10^-19 g

Molecules per gram5.6068679 × 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%

B0%

Fluorine (F × 5653)107,395.694 g/mol, 99.99%

Boron (B)10.81 g/mol, 0.01%

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Elements in this formula

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