Recognised as Colour

#C5791C

#C5791C
Orange
Dark
Nearest: Peru

#C5791C is a orange with RGB values 197, 121, 28 and HSL 33°, 75%, 44%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Peru.

Colour values

#C5791C#C5791C

HEX#C5791C

RGBrgb(197, 121, 28)

RGB (0–1)0.7725, 0.4745, 0.1098

RGB percentages77.3%, 47.5%, 11%

HSLhsl(33, 75.1%, 44.1%)

HSV / HSBhsv(33, 85.8%, 77.3%)

CMYK0%, 38.6%, 85.8%, 22.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,941,596

CSS custom property--colour: #C5791C;

Brightness & contrast

Relative luminance0.25629WCAG 2.x, 0 is black and 1 is white

Perceived brightness142.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.13:1

Contrast with white3.43:1WCAG normal text: Fail

Contrast with black6.13:1WCAG normal text: AA

Greyscale equivalent#828282

Inverted#3A86E3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#918003no red cones; affects about 1% of men; ΔE 28.3 from the original

Deuteranopia#A3921Eno green cones; the most common form, about 1% of men; ΔE 29 from the original

Tritanopia#D86768no blue cones; rare, and affects men and women equally; ΔE 43 from the original

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

Contrast with white, large text3.43:1WCAG large text: AA

Contrast with black, large text6.13:1WCAG large text: AAA

Named colours

Peru · ΔE 11.1 Dark goldenrod · ΔE 14.1 Chocolate · ΔE 14.1 Sandy brown · ΔE 19.8 Goldenrod · ΔE 22.3 Dark orange · ΔE 25.1

Nearest named CSS colourPeru (#CD853F)ΔE 11.09, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1C68C5

Analogous#C5241C, #BDC51C

Triadic#1CC579, #791CC5

Split complementary#1CBDC5, #241CC5

Tetradic#1CC524, #1C68C5, #C51CBD

Tints, shades & saturation

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

Lighter +40%#F5DAB8

Lighter +30%#EFC28B

Lighter +20%#E8AA5F

Lighter +10%#E29332

Darker −10%#985E16

Darker −20%#6C420F

Darker −30%#3F2709

Darker −40%#120B03

More saturated +25%#E17C00

Less saturated −25%#A97638

Channel breakdown

R197

G121

B28

Red197 (77.3%)

Green121 (47.5%)

Blue28 (11%)

Hue33.02°

Saturation (HSL)75.11%

Lightness44.12%

Dominant channelRed

Hex per channelR C5 · G 79 · B 1C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C5791C (chemical formula)

Formula
69,567.712 g/mol
5792 atoms

C5791C has a molar mass of 69,567.712 g/mol, made up of 5792 atoms across 1 element: 5792 × C.

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Molar mass

Molar mass69,567.712 g/mol

Total atoms per molecule5792

Distinct elements1

Mass of one molecule1.155199 × 10^-19 g

Molecules per gram8.6565169 × 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

C100%

Carbon (C × 5792)69,567.712 g/mol, 100%

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Elements in this formula

Carbon

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