Recognised as Colour

#C58000

#C58000
Orange
Dark
Nearest: Dark goldenrod

#C58000 is a orange with RGB values 197, 128, 0 and HSL 39°, 100%, 39%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#C58000#C58000

HEX#C58000

RGBrgb(197, 128, 0)

RGB (0–1)0.7725, 0.502, 0

RGB percentages77.3%, 50.2%, 0%

HSLhsl(39, 100%, 38.6%)

HSV / HSBhsv(39, 100%, 77.3%)

CMYK0%, 35%, 100%, 22.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,943,360

CSS custom property--colour: #C58000;

Brightness & contrast

Relative luminance0.27309WCAG 2.x, 0 is black and 1 is white

Perceived brightness145.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.46:1

Contrast with white3.25:1WCAG normal text: Fail

Contrast with black6.46:1WCAG normal text: AA

Greyscale equivalent#858585

Inverted#3A7FFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#988500no red cones; affects about 1% of men; ΔE 24.1 from the original

Deuteranopia#A89509no green cones; the most common form, about 1% of men; ΔE 24.6 from the original

Tritanopia#D86E6Dno blue cones; rare, and affects men and women equally; ΔE 50.7 from the original

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

Contrast with white, large text3.25:1WCAG large text: AA

Contrast with black, large text6.46:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 9.3 Goldenrod · ΔE 15.9 Peru · ΔE 17.7 Chocolate · ΔE 20.4 Orange · ΔE 21.4 Dark orange · ΔE 23.1

Nearest named CSS colourDark goldenrod (#B8860B)ΔE 9.32, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0045C5

Analogous#C51E00, #A8C500

Triadic#00C580, #8000C5

Split complementary#00A7C5, #1E00C5

Tetradic#00C51E, #0045C5, #C500A7

Tints, shades & saturation

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

Lighter +40%#FFD992

Lighter +30%#FFC75F

Lighter +20%#FFB52C

Lighter +10%#F8A100

Darker −10%#925F00

Darker −20%#5F3E00

Darker −30%#2C1D00

Darker −40%#000000

More saturated +25%#C58000

Less saturated −25%#AC7919

Channel breakdown

R197

G128

Red197 (77.3%)

Green128 (50.2%)

Blue0 (0%)

Hue38.98°

Saturation (HSL)100%

Lightness38.63%

Dominant channelRed

Hex per channelR C5 · G 80 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C58000 (chemical formula)

Formula
696,638 g/mol
58000 atoms

C58000 has a molar mass of 696,638 g/mol, made up of 58000 atoms across 1 element: 58000 × C.

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Molar mass

Molar mass696,638 g/mol

Total atoms per molecule58000

Distinct elements1

Mass of one molecule1.1567946 × 10^-18 g

Molecules per gram8.6445769 × 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 × 58000)696,638 g/mol, 100%

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Elements in this formula

Carbon

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