Recognised as Colour

#CC870F

#CC870F
Orange
Dark
Nearest: Dark goldenrod

#CC870F is a orange with RGB values 204, 135, 15 and HSL 38°, 86%, 43%. It is a dark colour, so black text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#CC870F#CC870F

HEX#CC870F

RGBrgb(204, 135, 15)

RGB (0–1)0.8, 0.5294, 0.0588

RGB percentages80%, 52.9%, 5.9%

HSLhsl(38.1, 86.3%, 42.9%)

HSV / HSBhsv(38.1, 92.6%, 80%)

CMYK0%, 33.8%, 92.6%, 20%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,403,919

CSS custom property--colour: #CC870F;

Brightness & contrast

Relative luminance0.302WCAG 2.x, 0 is black and 1 is white

Perceived brightness152.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.04:1

Contrast with white2.98:1WCAG normal text: Fail

Contrast with black7.04:1WCAG normal text: AAA

Greyscale equivalent#8D8D8D

Inverted#3378F0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9F8B00no red cones; affects about 1% of men; ΔE 23.3 from the original

Deuteranopia#AF9C16no green cones; the most common form, about 1% of men; ΔE 24.4 from the original

Tritanopia#DF7573no blue cones; rare, and affects men and women equally; ΔE 50.4 from the original

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

Contrast with white, large text2.98:1WCAG large text: Fail

Contrast with black, large text7.04:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 9.1 Goldenrod · ΔE 13.8 Peru · ΔE 17.4 Orange · ΔE 20 Chocolate · ΔE 21.3 Sandy brown · ΔE 22.4

Nearest named CSS colourDark goldenrod (#B8860B)ΔE 9.08, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F54CC

Analogous#CC280F, #B3CC0F

Triadic#0FCC87, #870FCC

Split complementary#0FB3CC, #280FCC

Tetradic#0FCC28, #0F54CC, #CC0FB3

Tints, shades & saturation

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

Lighter +40%#F9DEAE

Lighter +30%#F6CA7E

Lighter +20%#F2B74F

Lighter +10%#EFA31F

Darker −10%#9C680C

Darker −20%#6D4808

Darker −30%#3D2905

Darker −40%#0E0901

More saturated +25%#DB8B00

Less saturated −25%#B1802A

Channel breakdown

R204

G135

B15

Red204 (80%)

Green135 (52.9%)

Blue15 (5.9%)

Hue38.1°

Saturation (HSL)86.3%

Lightness42.94%

Dominant channelRed

Hex per channelR CC · G 87 · B 0F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CC870F (chemical formula)

Formula
10,480.579 g/mol
872 atoms

CC870F has a molar mass of 10,480.579 g/mol, made up of 872 atoms across 2 elements: 871 × C, 1 × F.

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Molar mass

Molar mass10,480.579 g/mol

Total atoms per molecule872

Distinct elements2

Mass of one molecule1.7403411 × 10^-20 g

Molecules per gram5.7460001 × 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

C99.8%

F0.2%

Carbon (C × 871)10,461.581 g/mol, 99.819%

Fluorine (F)18.998 g/mol, 0.181%

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