Recognised as Colour

#CE6400

#CE6400
Orange
Dark
Nearest: Chocolate

#CE6400 is a orange with RGB values 206, 100, 0 and HSL 29°, 100%, 40%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#CE6400#CE6400

HEX#CE6400

RGBrgb(206, 100, 0)

RGB (0–1)0.8078, 0.3922, 0

RGB percentages80.8%, 39.2%, 0%

HSLhsl(29.1, 100%, 40.4%)

HSV / HSBhsv(29.1, 100%, 80.8%)

CMYK0%, 51.5%, 100%, 19.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,526,016

CSS custom property--colour: #CE6400;

Brightness & contrast

Relative luminance0.22236WCAG 2.x, 0 is black and 1 is white

Perceived brightness136.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.45:1

Contrast with white3.86:1WCAG normal text: Fail

Contrast with black5.45:1WCAG normal text: AA

Greyscale equivalent#737373

Inverted#319BFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#837300no red cones; affects about 1% of men; ΔE 43.1 from the original

Deuteranopia#9D8B00no green cones; the most common form, about 1% of men; ΔE 43.1 from the original

Tritanopia#E34B55no blue cones; rare, and affects men and women equally; ΔE 41.2 from the original

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

Contrast with white, large text3.86:1WCAG large text: AA

Contrast with black, large text5.45:1WCAG large text: AAA

Named colours

Chocolate · ΔE 6.3 Dark orange · ΔE 19.8 Coral · ΔE 21.5 Peru · ΔE 23.2 Tomato · ΔE 27.2 Dark goldenrod · ΔE 28.1

Nearest named CSS colourChocolate (#D2691E)ΔE 6.28, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#006ACE

Analogous#CE0003, #CECB00

Triadic#00CE64, #6400CE

Split complementary#00CECB, #0003CE

Tetradic#03CE00, #006ACE, #CB00CE

Tints, shades & saturation

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

Lighter +40%#FFCC9B

Lighter +30%#FFB168

Lighter +20%#FF9735

Lighter +10%#FF7D02

Darker −10%#9B4B00

Darker −20%#683200

Darker −30%#351A00

Darker −40%#020100

More saturated +25%#CE6400

Less saturated −25%#B4651A

Channel breakdown

R206

G100

Red206 (80.8%)

Green100 (39.2%)

Blue0 (0%)

Hue29.13°

Saturation (HSL)100%

Lightness40.39%

Dominant channelRed

Hex per channelR CE · G 64 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ce6400 (chemical formula)

Formula
896,768 g/mol
6400 atoms

Ce6400 has a molar mass of 896,768 g/mol, made up of 6400 atoms across 1 element: 6400 × Ce.

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Molar mass

Molar mass896,768 g/mol

Total atoms per molecule6400

Distinct elements1

Mass of one molecule1.4891183 × 10^-18 g

Molecules per gram6.7153832 × 10^17

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

Ce100%

Cerium (Ce × 6400)896,768 g/mol, 100%

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Elements in this formula

Cerium

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