Recognised as Colour

#CF5700

#CF5700
Orange
Dark
Nearest: Chocolate

#CF5700 is a orange with RGB values 207, 87, 0 and HSL 25°, 100%, 41%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#CF5700#CF5700

HEX#CF5700

RGBrgb(207, 87, 0)

RGB (0–1)0.8118, 0.3412, 0

RGB percentages81.2%, 34.1%, 0%

HSLhsl(25.2, 100%, 40.6%)

HSV / HSBhsv(25.2, 100%, 81.2%)

CMYK0%, 58%, 100%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,588,224

CSS custom property--colour: #CF5700;

Brightness & contrast

Relative luminance0.20082WCAG 2.x, 0 is black and 1 is white

Perceived brightness131.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.02:1

Contrast with white4.19:1WCAG normal text: Fail

Contrast with black5.02:1WCAG normal text: AA

Greyscale equivalent#6A6A6A

Inverted#30A8FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7A6B00no red cones; affects about 1% of men; ΔE 49.9 from the original

Deuteranopia#978600no green cones; the most common form, about 1% of men; ΔE 50 from the original

Tritanopia#E4384Ano blue cones; rare, and affects men and women equally; ΔE 37 from the original

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

Contrast with white, large text4.19:1WCAG large text: AA

Contrast with black, large text5.02:1WCAG large text: AAA

Named colours

Chocolate · ΔE 9.6 Coral · ΔE 20.8 Tomato · ΔE 22.7 Dark orange · ΔE 23.7 Orange red · ΔE 25.2 Peru · ΔE 28.4

Nearest named CSS colourChocolate (#D2691E)ΔE 9.61, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0078CF

Analogous#CF0010, #CFBE00

Triadic#00CF57, #5700CF

Split complementary#00CFBE, #0011CF

Tetradic#11CF00, #0078CF, #BE00CF

Tints, shades & saturation

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

Lighter +40%#FFC69C

Lighter +30%#FFA869

Lighter +20%#FF8A36

Lighter +10%#FF6D03

Darker −10%#9C4200

Darker −20%#692C00

Darker −30%#361700

Darker −40%#030100

More saturated +25%#CF5700

Less saturated −25%#B55B1A

Channel breakdown

R207

G87

Red207 (81.2%)

Green87 (34.1%)

Blue0 (0%)

Hue25.22°

Saturation (HSL)100%

Lightness40.59%

Dominant channelRed

Hex per channelR CF · G 57 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CF5700 (chemical formula)

Formula
108,300.611 g/mol
5701 atoms

CF5700 has a molar mass of 108,300.611 g/mol, made up of 5701 atoms across 2 elements: 1 × C, 5700 × F.

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Molar mass

Molar mass108,300.611 g/mol

Total atoms per molecule5701

Distinct elements2

Mass of one molecule1.798374 × 10^-19 g

Molecules per gram5.5605787 × 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

C0%

F100%

Carbon (C)12.011 g/mol, 0.011%

Fluorine (F × 5700)108,288.6 g/mol, 99.989%

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Elements in this formula

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