Recognised as Colour

#CE5021

#CE5021
Orange
Dark
Nearest: Chocolate

#CE5021 is a orange with RGB values 206, 80, 33 and HSL 16°, 72%, 47%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#CE5021#CE5021

HEX#CE5021

RGBrgb(206, 80, 33)

RGB (0–1)0.8078, 0.3137, 0.1294

RGB percentages80.8%, 31.4%, 12.9%

HSLhsl(16.3, 72.4%, 46.9%)

HSV / HSBhsv(16.3, 84%, 80.8%)

CMYK0%, 61.2%, 84%, 19.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,520,929

CSS custom property--colour: #CE5021;

Brightness & contrast

Relative luminance0.18969WCAG 2.x, 0 is black and 1 is white

Perceived brightness128.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.79:1

Contrast with white4.38:1WCAG normal text: Fail

Contrast with black4.79:1WCAG normal text: AA

Greyscale equivalent#676767

Inverted#31AFDE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#746719no red cones; affects about 1% of men; ΔE 52.8 from the original

Deuteranopia#93831Bno green cones; the most common form, about 1% of men; ΔE 53 from the original

Tritanopia#E32F47no blue cones; rare, and affects men and women equally; ΔE 27.8 from the original

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

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

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

Named colours

Chocolate · ΔE 13.4 Tomato · ΔE 16 Coral · ΔE 17.1 Firebrick · ΔE 19.3 Brown · ΔE 24.2 Dark red · ΔE 24.7

Nearest named CSS colourChocolate (#D2691E)ΔE 13.36, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#219FCE

Analogous#CE2148, #CEA621

Triadic#21CE50, #5021CE

Split complementary#21CEA6, #2148CE

Tetradic#49CE21, #219FCE, #A621CE

Tints, shades & saturation

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

Lighter +40%#F6D2C5

Lighter +30%#EFB099

Lighter +20%#E88F6D

Lighter +10%#E16D41

Darker −10%#A23F1A

Darker −20%#762E13

Darker −30%#4A1D0C

Darker −40%#1E0C05

More saturated +25%#EC4203

Less saturated −25%#B05E3F

Channel breakdown

R206

G80

B33

Red206 (80.8%)

Green80 (31.4%)

Blue33 (12.9%)

Hue16.3°

Saturation (HSL)72.38%

Lightness46.86%

Dominant channelRed

Hex per channelR CE · G 50 · B 21

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ce5021 (chemical formula)

Formula
703,542.52 g/mol
5021 atoms

Ce5021 has a molar mass of 703,542.52 g/mol, made up of 5021 atoms across 1 element: 5021 × Ce.

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Molar mass

Molar mass703,542.52 g/mol

Total atoms per molecule5021

Distinct elements1

Mass of one molecule1.1682598 × 10^-18 g

Molecules per gram8.5597396 × 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 × 5021)703,542.52 g/mol, 100%

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Elements in this formula

Cerium

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