Recognised as Colour

#FBA403

#FBA403
Orange
Dark
Nearest: Orange

#FBA403 is a orange with RGB values 251, 164, 3 and HSL 39°, 98%, 50%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Orange.

Colour values

#FBA403#FBA403

HEX#FBA403

RGBrgb(251, 164, 3)

RGB (0–1)0.9843, 0.6431, 0.0118

RGB percentages98.4%, 64.3%, 1.2%

HSLhsl(39, 97.6%, 49.8%)

HSV / HSBhsv(39, 98.8%, 98.4%)

CMYK0%, 34.7%, 98.8%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,491,523

CSS custom property--colour: #FBA403;

Brightness & contrast

Relative luminance0.47067WCAG 2.x, 0 is black and 1 is white

Perceived brightness186.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.41:1

Contrast with white2.02:1WCAG normal text: Fail

Contrast with black10.41:1WCAG normal text: AAA

Greyscale equivalent#ABABAB

Inverted#045BFC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C2AA00no red cones; affects about 1% of men; ΔE 29 from the original

Deuteranopia#D6BF11no green cones; the most common form, about 1% of men; ΔE 30.1 from the original

Tritanopia#FF8E8Cno blue cones; rare, and affects men and women equally; ΔE 61.1 from the original

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

Contrast with white, large text2.02:1WCAG large text: Fail

Contrast with black, large text10.41:1WCAG large text: AAA

Named colours

Orange · ΔE 1.7 Dark orange · ΔE 15 Goldenrod · ΔE 17.3 Dark goldenrod · ΔE 25 Gold · ΔE 29.3 Sandy brown · ΔE 31.1

Nearest named CSS colourOrange (#FFA500)ΔE 1.69, below the just-noticeable difference

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#035AFB

Analogous#FB2803, #D6FB03

Triadic#03FBA4, #A403FB

Split complementary#03D6FB, #2803FB

Tetradic#03FB28, #035AFB, #FB03D6

Tints, shades & saturation

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

Lighter +40%#FEEDCC

Lighter +30%#FEDB99

Lighter +20%#FDC867

Lighter +10%#FDB634

Darker −10%#C98302

Darker −20%#966202

Darker −30%#644101

Darker −40%#312001

More saturated +25%#FEA500

Less saturated −25%#DB9B23

Channel breakdown

R251

G164

Red251 (98.4%)

Green164 (64.3%)

Blue3 (1.2%)

Hue38.95°

Saturation (HSL)97.64%

Lightness49.8%

Dominant channelRed

Hex per channelR FB · G A4 · B 03

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FBa403 (chemical formula)

Formula
55,362.988 g/mol
404 atoms

FBa403 has a molar mass of 55,362.988 g/mol, made up of 404 atoms across 2 elements: 1 × F, 403 × Ba.

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Molar mass

Molar mass55,362.988 g/mol

Total atoms per molecule404

Distinct elements2

Mass of one molecule9.1932404 × 10^-20 g

Molecules per gram1.0877557 × 10^19

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%

Ba100%

Fluorine (F)18.998 g/mol, 0.034%

Barium (Ba × 403)55,343.99 g/mol, 99.966%

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Elements in this formula

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