Recognised as Colour

#FC6554

#FC6554
Red
Dark
Nearest: Tomato

#FC6554 is a red with RGB values 252, 101, 84 and HSL 6°, 97%, 66%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Tomato.

Colour values

#FC6554#FC6554

HEX#FC6554

RGBrgb(252, 101, 84)

RGB (0–1)0.9882, 0.3961, 0.3294

RGB percentages98.8%, 39.6%, 32.9%

HSLhsl(6.1, 96.6%, 65.9%)

HSV / HSBhsv(6.1, 66.7%, 98.8%)

CMYK0%, 59.9%, 66.7%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,541,012

CSS custom property--colour: #FC6554;

Brightness & contrast

Relative luminance0.30643WCAG 2.x, 0 is black and 1 is white

Perceived brightness160.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.13:1

Contrast with white2.95:1WCAG normal text: Fail

Contrast with black7.13:1WCAG normal text: AAA

Greyscale equivalent#848484

Inverted#039AAB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8D8251no red cones; affects about 1% of men; ΔE 61.4 from the original

Deuteranopia#B3A350no green cones; the most common form, about 1% of men; ΔE 62 from the original

Tritanopia#FF4462no blue cones; rare, and affects men and women equally; ΔE 19.5 from the original

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

Contrast with white, large text2.95:1WCAG large text: Fail

Contrast with black, large text7.13:1WCAG large text: AAA

Named colours

Tomato · ΔE 7.2 Coral · ΔE 14.8 Salmon · ΔE 16.1 Crimson · ΔE 21.6 Indian red · ΔE 22.6 Firebrick · ΔE 23.2

Nearest named CSS colourTomato (#FF6347)ΔE 7.2, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#54EBFC

Analogous#FC5497, #FCB954

Triadic#54FC65, #6554FC

Split complementary#54FCB9, #5497FC

Tetradic#97FC54, #54EBFC, #B954FC

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFECEA

Lighter +20%#FEBFB8

Lighter +10%#FD9286

Darker −10%#FB3822

Darker −20%#E61B04

Darker −30%#B41503

Darker −40%#820F02

More saturated +25%#FF6351

Less saturated −25%#E6766A

Channel breakdown

R252

G101

B84

Red252 (98.8%)

Green101 (39.6%)

Blue84 (32.9%)

Hue6.07°

Saturation (HSL)96.55%

Lightness65.88%

Dominant channelRed

Hex per channelR FC · G 65 · B 54

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FC6554 (chemical formula)

Formula
78,739.092 g/mol
6555 atoms

FC6554 has a molar mass of 78,739.092 g/mol, made up of 6555 atoms across 2 elements: 1 × F, 6554 × C.

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Molar mass

Molar mass78,739.092 g/mol

Total atoms per molecule6555

Distinct elements2

Mass of one molecule1.3074934 × 10^-19 g

Molecules per gram7.6482223 × 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

F0%

C100%

Fluorine (F)18.998 g/mol, 0.024%

Carbon (C × 6554)78,720.094 g/mol, 99.976%

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