Recognised as Colour

#FB8134

#FB8134
Orange
Dark
Nearest: Chocolate

#FB8134 is a orange with RGB values 251, 129, 52 and HSL 23°, 96%, 59%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Chocolate.

Colour values

#FB8134#FB8134

HEX#FB8134

RGBrgb(251, 129, 52)

RGB (0–1)0.9843, 0.5059, 0.2039

RGB percentages98.4%, 50.6%, 20.4%

HSLhsl(23.2, 96.1%, 59.4%)

HSV / HSBhsv(23.2, 79.3%, 98.4%)

CMYK0%, 48.6%, 79.3%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,482,612

CSS custom property--colour: #FB8134;

Brightness & contrast

Relative luminance0.36458WCAG 2.x, 0 is black and 1 is white

Perceived brightness170 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.29:1

Contrast with white2.53:1WCAG normal text: Fail

Contrast with black8.29:1WCAG normal text: AAA

Greyscale equivalent#959595

Inverted#047ECB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A49229no red cones; affects about 1% of men; ΔE 47.4 from the original

Deuteranopia#C1AD31no green cones; the most common form, about 1% of men; ΔE 48 from the original

Tritanopia#FF6672no blue cones; rare, and affects men and women equally; ΔE 40.1 from the original

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

Contrast with white, large text2.53:1WCAG large text: Fail

Contrast with black, large text8.29:1WCAG large text: AAA

Named colours

Chocolate · ΔE 12.3 Coral · ΔE 13.1 Dark orange · ΔE 16.4 Tomato · ΔE 21.6 Sandy brown · ΔE 23.9 Peru · ΔE 24.2

Nearest named CSS colourChocolate (#D2691E)ΔE 12.27, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#34AEFB

Analogous#FB344A, #FBE434

Triadic#34FB81, #8134FB

Split complementary#34FBE4, #344BFB

Tetradic#4BFB34, #34AEFB, #E434FB

Tints, shades & saturation

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

Lighter +40%#FFFDFC

Lighter +30%#FEDECA

Lighter +20%#FDBF98

Lighter +10%#FCA066

Darker −10%#F76305

Darker −20%#C54F04

Darker −30%#933B03

Darker −40%#612702

More saturated +25%#FF8030

Less saturated −25%#E1874E

Channel breakdown

R251

G129

B52

Red251 (98.4%)

Green129 (50.6%)

Blue52 (20.4%)

Hue23.22°

Saturation (HSL)96.14%

Lightness59.41%

Dominant channelRed

Hex per channelR FB · G 81 · B 34

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FB8134 (chemical formula)

Formula
87,947.538 g/mol
8135 atoms

FB8134 has a molar mass of 87,947.538 g/mol, made up of 8135 atoms across 2 elements: 1 × F, 8134 × B.

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Molar mass

Molar mass87,947.538 g/mol

Total atoms per molecule8135

Distinct elements2

Mass of one molecule1.4604032 × 10^-19 g

Molecules per gram6.8474239 × 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 × 8134)87,928.54 g/mol, 99.978%

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Elements in this formula

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