Recognised as Colour

#C56440

#C56440
Orange
Dark
Nearest: Sienna

#C56440 is a orange with RGB values 197, 100, 64 and HSL 16°, 53%, 51%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#C56440#C56440

HEX#C56440

RGBrgb(197, 100, 64)

RGB (0–1)0.7725, 0.3922, 0.251

RGB percentages77.3%, 39.2%, 25.1%

HSLhsl(16.2, 53.4%, 51.2%)

HSV / HSBhsv(16.2, 67.5%, 77.3%)

CMYK0%, 49.2%, 67.5%, 22.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,936,256

CSS custom property--colour: #C56440;

Brightness & contrast

Relative luminance0.21355WCAG 2.x, 0 is black and 1 is white

Perceived brightness133.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.27:1

Contrast with white3.98:1WCAG normal text: Fail

Contrast with black5.27:1WCAG normal text: AA

Greyscale equivalent#767676

Inverted#3A9BBF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7E723Cno red cones; affects about 1% of men; ΔE 39.8 from the original

Deuteranopia#96883Eno green cones; the most common form, about 1% of men; ΔE 40.5 from the original

Tritanopia#D7515Cno blue cones; rare, and affects men and women equally; ΔE 23.5 from the original

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

Contrast with white, large text3.98:1WCAG large text: AA

Contrast with black, large text5.27:1WCAG large text: AAA

Named colours

Sienna · ΔE 11.7 Indian red · ΔE 18 Saddle brown · ΔE 18.7 Salmon · ΔE 18.9 Chocolate · ΔE 19.3 Coral · ΔE 19.5

Nearest named CSS colourSienna (#A0522D)ΔE 11.73, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#40A1C5

Analogous#C5405E, #C5A740

Triadic#40C564, #6440C5

Split complementary#40C5A7, #405EC5

Tetradic#5EC540, #40A1C5, #A740C5

Tints, shades & saturation

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

Lighter +40%#F5E3DC

Lighter +30%#E9C3B5

Lighter +20%#DDA38E

Lighter +10%#D18467

Darker −10%#A14F31

Darker −20%#7A3C25

Darker −30%#532919

Darker −40%#2C160D

More saturated +25%#E45621

Less saturated −25%#A6725F

Channel breakdown

R197

G100

B64

Red197 (77.3%)

Green100 (39.2%)

Blue64 (25.1%)

Hue16.24°

Saturation (HSL)53.41%

Lightness51.18%

Dominant channelRed

Hex per channelR C5 · G 64 · B 40

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

C56440 (chemical formula)

Formula
677,900.84 g/mol
56440 atoms

C56440 has a molar mass of 677,900.84 g/mol, made up of 56440 atoms across 1 element: 56440 × C.

Open this reading on its own page →

Molar mass

Molar mass677,900.84 g/mol

Total atoms per molecule56440

Distinct elements1

Mass of one molecule1.1256808 × 10^-18 g

Molecules per gram8.8835128 × 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

C100%

Carbon (C × 56440)677,900.84 g/mol, 100%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Carbon

Nerdulate something else

Nothing in mind? Surprise me · today’s page