Recognised as Colour

#CA5400

#CA5400
Orange
Dark
Nearest: Chocolate

#CA5400 is a orange with RGB values 202, 84, 0 and HSL 25°, 100%, 40%. 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

#CA5400#CA5400

HEX#CA5400

RGBrgb(202, 84, 0)

RGB (0–1)0.7922, 0.3294, 0

RGB percentages79.2%, 32.9%, 0%

HSLhsl(25, 100%, 39.6%)

HSV / HSBhsv(25, 100%, 79.2%)

CMYK0%, 58.4%, 100%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,259,776

CSS custom property--colour: #CA5400;

Brightness & contrast

Relative luminance0.18897WCAG 2.x, 0 is black and 1 is white

Perceived brightness127.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.78:1

Contrast with white4.39:1WCAG normal text: Fail

Contrast with black4.78:1WCAG normal text: AA

Greyscale equivalent#676767

Inverted#35ABFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#776800no red cones; affects about 1% of men; ΔE 49.2 from the original

Deuteranopia#938200no green cones; the most common form, about 1% of men; ΔE 49.2 from the original

Tritanopia#DF3548no blue cones; rare, and affects men and women equally; ΔE 36.5 from the original

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

Contrast with white, large text4.39:1WCAG large text: AA

Contrast with black, large text4.78:1WCAG large text: AAA

Named colours

Chocolate · ΔE 9.4 Coral · ΔE 21.1 Tomato · ΔE 22.9 Dark orange · ΔE 25.3 Orange red · ΔE 26.4 Peru · ΔE 28

Nearest named CSS colourChocolate (#D2691E)ΔE 9.42, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0076CA

Analogous#CA0011, #CAB900

Triadic#00CA54, #5400CA

Split complementary#00CAB9, #0011CA

Tetradic#11CA00, #0076CA, #B900CA

Tints, shades & saturation

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

Lighter +40%#FFC297

Lighter +30%#FFA464

Lighter +20%#FF8731

Lighter +10%#FD6900

Darker −10%#973F00

Darker −20%#642A00

Darker −30%#311400

Darker −40%#000000

More saturated +25%#CA5400

Less saturated −25%#B15819

Channel breakdown

R202

G84

Red202 (79.2%)

Green84 (32.9%)

Blue0 (0%)

Hue24.95°

Saturation (HSL)100%

Lightness39.61%

Dominant channelRed

Hex per channelR CA · G 54 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ca5400 (chemical formula)

Formula
216,421.2 g/mol
5400 atoms

Ca5400 has a molar mass of 216,421.2 g/mol, made up of 5400 atoms across 1 element: 5400 × Ca.

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Molar mass

Molar mass216,421.2 g/mol

Total atoms per molecule5400

Distinct elements1

Mass of one molecule3.5937586 × 10^-19 g

Molecules per gram2.7826021 × 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 × 5400)216,421.2 g/mol, 100%

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Elements in this formula

Calcium

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