Recognised as Colour

#CA6528

#CA6528
Orange
Dark
Nearest: Chocolate

#CA6528 is a orange with RGB values 202, 101, 40 and HSL 23°, 67%, 47%. 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

#CA6528#CA6528

HEX#CA6528

RGBrgb(202, 101, 40)

RGB (0–1)0.7922, 0.3961, 0.1569

RGB percentages79.2%, 39.6%, 15.7%

HSLhsl(22.6, 66.9%, 47.5%)

HSV / HSBhsv(22.6, 80.2%, 79.2%)

CMYK0%, 50%, 80.2%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,264,168

CSS custom property--colour: #CA6528;

Brightness & contrast

Relative luminance0.22017WCAG 2.x, 0 is black and 1 is white

Perceived brightness135.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.4:1

Contrast with white3.89:1WCAG normal text: Fail

Contrast with black5.4:1WCAG normal text: AA

Greyscale equivalent#767676

Inverted#359AD7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#82731Fno red cones; affects about 1% of men; ΔE 40.8 from the original

Deuteranopia#9A8A26no green cones; the most common form, about 1% of men; ΔE 41.6 from the original

Tritanopia#DE4F59no blue cones; rare, and affects men and women equally; ΔE 32.5 from the original

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

Contrast with white, large text3.89:1WCAG large text: AA

Contrast with black, large text5.4:1WCAG large text: AAA

Named colours

Chocolate · ΔE 6.5 Coral · ΔE 16.4 Peru · ΔE 16.9 Sienna · ΔE 19.4 Saddle brown · ΔE 21.5 Tomato · ΔE 23.5

Nearest named CSS colourChocolate (#D2691E)ΔE 6.53, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#288DCA

Analogous#CA283C, #CAB628

Triadic#28CA65, #6528CA

Split complementary#28CAB6, #283CCA

Tetradic#3CCA28, #288DCA, #B628CA

Tints, shades & saturation

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

Lighter +40%#F4DACA

Lighter +30%#ECBC9F

Lighter +20%#E49E74

Lighter +10%#DB814A

Darker −10%#9F5020

Darker −20%#753A17

Darker −30%#4A250F

Darker −40%#201006

More saturated +25%#E85E0A

Less saturated −25%#AC6C46

Channel breakdown

R202

G101

B40

Red202 (79.2%)

Green101 (39.6%)

Blue40 (15.7%)

Hue22.59°

Saturation (HSL)66.94%

Lightness47.45%

Dominant channelRed

Hex per channelR CA · G 65 · B 28

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ca6528 (chemical formula)

Formula
261,629.184 g/mol
6528 atoms

Ca6528 has a molar mass of 261,629.184 g/mol, made up of 6528 atoms across 1 element: 6528 × Ca.

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Molar mass

Molar mass261,629.184 g/mol

Total atoms per molecule6528

Distinct elements1

Mass of one molecule4.3444548 × 10^-19 g

Molecules per gram2.3017848 × 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

Ca100%

Calcium (Ca × 6528)261,629.184 g/mol, 100%

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Elements in this formula

Calcium

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