Recognised as Colour

#CE4100

#CE4100
Orange
Dark
Nearest: Chocolate

#CE4100 is a orange with RGB values 206, 65, 0 and HSL 19°, 100%, 40%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#CE4100#CE4100

HEX#CE4100

RGBrgb(206, 65, 0)

RGB (0–1)0.8078, 0.2549, 0

RGB percentages80.8%, 25.5%, 0%

HSLhsl(18.9, 100%, 40.4%)

HSV / HSBhsv(18.9, 100%, 80.8%)

CMYK0%, 68.4%, 100%, 19.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,517,056

CSS custom property--colour: #CE4100;

Brightness & contrast

Relative luminance0.16902WCAG 2.x, 0 is black and 1 is white

Perceived brightness123.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.79:1

Contrast with white4.79:1WCAG normal text: AA

Contrast with black4.38:1WCAG normal text: Fail

Greyscale equivalent#5A5A5A

Inverted#31BEFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C5E00no red cones; affects about 1% of men; ΔE 59 from the original

Deuteranopia#8E7E00no green cones; the most common form, about 1% of men; ΔE 59.1 from the original

Tritanopia#E30338no blue cones; rare, and affects men and women equally; ΔE 30.2 from the original

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

Contrast with white, large text4.79:1WCAG large text: AAA

Contrast with black, large text4.38:1WCAG large text: AA

Named colours

Chocolate · ΔE 18.5 Orange red · ΔE 19.5 Tomato · ΔE 19.6 Firebrick · ΔE 23.7 Coral · ΔE 24 Dark red · ΔE 27.2

Nearest named CSS colourChocolate (#D2691E)ΔE 18.52, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#008DCE

Analogous#CE0026, #CEA800

Triadic#00CE41, #4100CE

Split complementary#00CEA8, #0026CE

Tetradic#26CE00, #008DCE, #A800CE

Tints, shades & saturation

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

Lighter +40%#FFBB9B

Lighter +30%#FF9868

Lighter +20%#FF7535

Lighter +10%#FF5202

Darker −10%#9B3100

Darker −20%#682100

Darker −30%#351100

Darker −40%#020100

More saturated +25%#CE4100

Less saturated −25%#B44B1A

Channel breakdown

R206

G65

Red206 (80.8%)

Green65 (25.5%)

Blue0 (0%)

Hue18.93°

Saturation (HSL)100%

Lightness40.39%

Dominant channelRed

Hex per channelR CE · G 41 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ce4100 (chemical formula)

Formula
574,492 g/mol
4100 atoms

Ce4100 has a molar mass of 574,492 g/mol, made up of 4100 atoms across 1 element: 4100 × Ce.

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Molar mass

Molar mass574,492 g/mol

Total atoms per molecule4100

Distinct elements1

Mass of one molecule9.5396641 × 10^-19 g

Molecules per gram1.0482549 × 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

Ce100%

Cerium (Ce × 4100)574,492 g/mol, 100%

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Elements in this formula

Cerium

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