Recognised as Colour

#FF590C

#FF590C
Orange
Dark
Nearest: Orange red

#FF590C is a orange with RGB values 255, 89, 12 and HSL 19°, 100%, 52%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FF590C#FF590C

HEX#FF590C

RGBrgb(255, 89, 12)

RGB (0–1)1, 0.349, 0.0471

RGB percentages100%, 34.9%, 4.7%

HSLhsl(19, 100%, 52.4%)

HSV / HSBhsv(19, 95.3%, 100%)

CMYK0%, 65.1%, 95.3%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,734,476

CSS custom property--colour: #FF590C;

Brightness & contrast

Relative luminance0.28431WCAG 2.x, 0 is black and 1 is white

Perceived brightness155.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.69:1

Contrast with white3.14:1WCAG normal text: Fail

Contrast with black6.69:1WCAG normal text: AA

Greyscale equivalent#777777

Inverted#00A6F3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8B7A00no red cones; affects about 1% of men; ΔE 66.6 from the original

Deuteranopia#B39F00no green cones; the most common form, about 1% of men; ΔE 66.9 from the original

Tritanopia#FF214Dno blue cones; rare, and affects men and women equally; ΔE 38.2 from the original

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

Contrast with white, large text3.14:1WCAG large text: AA

Contrast with black, large text6.69:1WCAG large text: AAA

Named colours

Orange red · ΔE 7.8 Red · ΔE 20.8 Tomato · ΔE 21.9 Chocolate · ΔE 26.5 Dark orange · ΔE 26.5 Coral · ΔE 26.5

Nearest named CSS colourOrange red (#FF4500)ΔE 7.76, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0CB2FF

Analogous#FF0C38, #FFD30C

Triadic#0CFF59, #590CFF

Split complementary#0CFFD3, #0C38FF

Tetradic#38FF0C, #0CB2FF, #D30CFF

Tints, shades & saturation

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

Lighter +40%#FFE4D8

Lighter +30%#FFC2A5

Lighter +20%#FF9F72

Lighter +10%#FF7C3F

Darker −10%#D84400

Darker −20%#A53400

Darker −30%#722400

Darker −40%#3F1400

More saturated +25%#FF590C

Less saturated −25%#E1642A

Channel breakdown

R255

G89

B12

Red255 (100%)

Green89 (34.9%)

Blue12 (4.7%)

Hue19.01°

Saturation (HSL)100%

Lightness52.35%

Dominant channelRed

Hex per channelR FF · G 59 · B 0C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF590C (chemical formula)

Formula
11,239.829 g/mol
592 atoms

FF590C has a molar mass of 11,239.829 g/mol, made up of 592 atoms across 2 elements: 591 × F, 1 × C.

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Molar mass

Molar mass11,239.829 g/mol

Total atoms per molecule592

Distinct elements2

Mass of one molecule1.8664175 × 10^-20 g

Molecules per gram5.357858 × 10^19

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

F99.9%

C0.1%

Fluorine (F × 591)11,227.818 g/mol, 99.893%

Carbon (C)12.011 g/mol, 0.107%

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Elements in this formula

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