Recognised as Colour

#CA8418

#CA8418
Orange
Dark
Nearest: Dark goldenrod

#CA8418 is a orange with RGB values 202, 132, 24 and HSL 36°, 79%, 44%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#CA8418#CA8418

HEX#CA8418

RGBrgb(202, 132, 24)

RGB (0–1)0.7922, 0.5176, 0.0941

RGB percentages79.2%, 51.8%, 9.4%

HSLhsl(36.4, 78.8%, 44.3%)

HSV / HSBhsv(36.4, 88.1%, 79.2%)

CMYK0%, 34.7%, 88.1%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,272,088

CSS custom property--colour: #CA8418;

Brightness & contrast

Relative luminance0.29125WCAG 2.x, 0 is black and 1 is white

Perceived brightness150 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.83:1

Contrast with white3.08:1WCAG normal text: Fail

Contrast with black6.83:1WCAG normal text: AA

Greyscale equivalent#8B8B8B

Inverted#357BE7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9C8900no red cones; affects about 1% of men; ΔE 24.3 from the original

Deuteranopia#AC9A1Cno green cones; the most common form, about 1% of men; ΔE 25.4 from the original

Tritanopia#DD7271no 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 text3.08:1WCAG large text: AA

Contrast with black, large text6.83:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 9.5 Peru · ΔE 14.4 Goldenrod · ΔE 16 Chocolate · ΔE 19.3 Sandy brown · ΔE 20.5 Orange · ΔE 22.4

Nearest named CSS colourDark goldenrod (#B8860B)ΔE 9.49, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#185ECA

Analogous#CA2B18, #B7CA18

Triadic#18CA84, #8418CA

Split complementary#18B7CA, #2B18CA

Tetradic#18CA2B, #185ECA, #CA18B7

Tints, shades & saturation

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

Lighter +40%#F7DEB7

Lighter +30%#F1C98A

Lighter +20%#ECB35C

Lighter +10%#E69E2F

Darker −10%#9C6613

Darker −20%#6F480D

Darker −30%#412B08

Darker −40%#140D02

More saturated +25%#E28900

Less saturated −25%#AE7E34

Channel breakdown

R202

G132

B24

Red202 (79.2%)

Green132 (51.8%)

Blue24 (9.4%)

Hue36.4°

Saturation (HSL)78.76%

Lightness44.31%

Dominant channelRed

Hex per channelR CA · G 84 · B 18

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ca8418 (chemical formula)

Formula
337,376.604 g/mol
8418 atoms

Ca8418 has a molar mass of 337,376.604 g/mol, made up of 8418 atoms across 1 element: 8418 × Ca.

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Molar mass

Molar mass337,376.604 g/mol

Total atoms per molecule8418

Distinct elements1

Mass of one molecule5.6022703 × 10^-19 g

Molecules per gram1.7849906 × 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 × 8418)337,376.604 g/mol, 100%

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Elements in this formula

Calcium

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