Recognised as Colour

#FB8148

#FB8148
Orange
Dark
Nearest: Coral

#FB8148 is a orange with RGB values 251, 129, 72 and HSL 19°, 96%, 63%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Coral.

Colour values

#FB8148#FB8148

HEX#FB8148

RGBrgb(251, 129, 72)

RGB (0–1)0.9843, 0.5059, 0.2824

RGB percentages98.4%, 50.6%, 28.2%

HSLhsl(19.1, 95.7%, 63.3%)

HSV / HSBhsv(19.1, 71.3%, 98.4%)

CMYK0%, 48.6%, 71.3%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,482,632

CSS custom property--colour: #FB8148;

Brightness & contrast

Relative luminance0.36678WCAG 2.x, 0 is black and 1 is white

Perceived brightness170.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.34:1

Contrast with white2.52:1WCAG normal text: Fail

Contrast with black8.34:1WCAG normal text: AAA

Greyscale equivalent#979797

Inverted#047EB7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A39242no red cones; affects about 1% of men; ΔE 47.3 from the original

Deuteranopia#C0AE46no green cones; the most common form, about 1% of men; ΔE 48.6 from the original

Tritanopia#FF6874no blue cones; rare, and affects men and women equally; ΔE 32.1 from the original

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

Contrast with white, large text2.52:1WCAG large text: Fail

Contrast with black, large text8.34:1WCAG large text: AAA

Named colours

Coral · ΔE 4.6 Chocolate · ΔE 13.6 Tomato · ΔE 16.8 Sandy brown · ΔE 21.1 Light salmon · ΔE 21.3 Peru · ΔE 21.9

Nearest named CSS colourCoral (#FF7F50)ΔE 4.59, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#48C2FB

Analogous#FB4868, #FBDA48

Triadic#48FB81, #8148FB

Split complementary#48FBDA, #4869FB

Tetradic#69FB48, #48C2FB, #DA48FB

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FEE8DE

Lighter +20%#FDC6AC

Lighter +10%#FCA37A

Darker −10%#FA5F16

Darker −20%#D84805

Darker −30%#A63704

Darker −40%#742703

More saturated +25%#FF8044

Less saturated −25%#E4895F

Channel breakdown

R251

G129

B72

Red251 (98.4%)

Green129 (50.6%)

Blue72 (28.2%)

Hue19.11°

Saturation (HSL)95.72%

Lightness63.33%

Dominant channelRed

Hex per channelR FB · G 81 · B 48

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FB8148 (chemical formula)

Formula
88,098.878 g/mol
8149 atoms

FB8148 has a molar mass of 88,098.878 g/mol, made up of 8149 atoms across 2 elements: 1 × F, 8148 × B.

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Molar mass

Molar mass88,098.878 g/mol

Total atoms per molecule8149

Distinct elements2

Mass of one molecule1.4629163 × 10^-19 g

Molecules per gram6.8356611 × 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%

B100%

Fluorine (F)18.998 g/mol, 0.022%

Boron (B × 8148)88,079.88 g/mol, 99.978%

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