Recognised as Colour

#CA7901

#CA7901
Orange
Dark
Nearest: Chocolate

#CA7901 is a orange with RGB values 202, 121, 1 and HSL 36°, 99%, 40%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#CA7901#CA7901

HEX#CA7901

RGBrgb(202, 121, 1)

RGB (0–1)0.7922, 0.4745, 0.0039

RGB percentages79.2%, 47.5%, 0.4%

HSLhsl(35.8, 99%, 39.8%)

HSV / HSBhsv(35.8, 99.5%, 79.2%)

CMYK0%, 40.1%, 99.5%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,269,249

CSS custom property--colour: #CA7901;

Brightness & contrast

Relative luminance0.26233WCAG 2.x, 0 is black and 1 is white

Perceived brightness144.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.25:1

Contrast with white3.36:1WCAG normal text: Fail

Contrast with black6.25:1WCAG normal text: AA

Greyscale equivalent#828282

Inverted#3586FE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#938100no red cones; affects about 1% of men; ΔE 30.3 from the original

Deuteranopia#A69405no green cones; the most common form, about 1% of men; ΔE 31 from the original

Tritanopia#DE6667no blue cones; rare, and affects men and women equally; ΔE 47.8 from the original

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

Contrast with white, large text3.36:1WCAG large text: AA

Contrast with black, large text6.25:1WCAG large text: AAA

Named colours

Chocolate · ΔE 14.8 Dark goldenrod · ΔE 15.1 Peru · ΔE 17.5 Dark orange · ΔE 19.6 Goldenrod · ΔE 21 Orange · ΔE 21.9

Nearest named CSS colourChocolate (#D2691E)ΔE 14.79, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0152CA

Analogous#CA1501, #B6CA01

Triadic#01CA79, #7901CA

Split complementary#01B6CA, #1501CA

Tetradic#01CA15, #0152CA, #CA01B6

Tints, shades & saturation

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

Lighter +40%#FED599

Lighter +30%#FEC166

Lighter +20%#FEAC33

Lighter +10%#FD9701

Darker −10%#975B01

Darker −20%#653C00

Darker −30%#321E00

Darker −40%#000000

More saturated +25%#CB7900

Less saturated −25%#B1741A

Channel breakdown

R202

G121

Red202 (79.2%)

Green121 (47.5%)

Blue1 (0.4%)

Hue35.82°

Saturation (HSL)99.01%

Lightness39.8%

Dominant channelRed

Hex per channelR CA · G 79 · B 01

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ca7901 (chemical formula)

Formula
316,656.278 g/mol
7901 atoms

Ca7901 has a molar mass of 316,656.278 g/mol, made up of 7901 atoms across 1 element: 7901 × Ca.

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Molar mass

Molar mass316,656.278 g/mol

Total atoms per molecule7901

Distinct elements1

Mass of one molecule5.2582012 × 10^-19 g

Molecules per gram1.9017911 × 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 × 7901)316,656.278 g/mol, 100%

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Elements in this formula

Calcium

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