Recognised as Colour

#CA4F11

#CA4F11
Orange
Dark
Nearest: Chocolate

#CA4F11 is a orange with RGB values 202, 79, 17 and HSL 20°, 84%, 43%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#CA4F11#CA4F11

HEX#CA4F11

RGBrgb(202, 79, 17)

RGB (0–1)0.7922, 0.3098, 0.0667

RGB percentages79.2%, 31%, 6.7%

HSLhsl(20.1, 84.5%, 42.9%)

HSV / HSBhsv(20.1, 91.6%, 79.2%)

CMYK0%, 60.9%, 91.6%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,258,513

CSS custom property--colour: #CA4F11;

Brightness & contrast

Relative luminance0.18189WCAG 2.x, 0 is black and 1 is white

Perceived brightness126.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.64:1

Contrast with white4.53:1WCAG normal text: AA

Contrast with black4.64:1WCAG normal text: AA

Greyscale equivalent#656565

Inverted#35B0EE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#736500no red cones; affects about 1% of men; ΔE 51.4 from the original

Deuteranopia#918106no green cones; the most common form, about 1% of men; ΔE 52 from the original

Tritanopia#DF2E44no blue cones; rare, and affects men and women equally; ΔE 31.3 from the original

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

Contrast with white, large text4.53:1WCAG large text: AAA

Contrast with black, large text4.64:1WCAG large text: AAA

Named colours

Chocolate · ΔE 11.3 Tomato · ΔE 19.3 Coral · ΔE 19.4 Firebrick · ΔE 23 Orange red · ΔE 26.4 Dark red · ΔE 26.4

Nearest named CSS colourChocolate (#D2691E)ΔE 11.31, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#118CCA

Analogous#CA112F, #CAAC11

Triadic#11CA4F, #4F11CA

Split complementary#11CAAC, #112FCA

Tetradic#2FCA11, #118CCA, #AC11CA

Tints, shades & saturation

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

Lighter +40%#F8C7AF

Lighter +30%#F4A780

Lighter +20%#F08651

Lighter +10%#EC6622

Darker −10%#9B3D0D

Darker −20%#6C2A09

Darker −30%#3D1805

Darker −40%#0E0501

More saturated +25%#DB4900

Less saturated −25%#AF582C

Channel breakdown

R202

G79

B17

Red202 (79.2%)

Green79 (31%)

Blue17 (6.7%)

Hue20.11°

Saturation (HSL)84.47%

Lightness42.94%

Dominant channelRed

Hex per channelR CA · G 4F · B 11

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ca4F11 (chemical formula)

Formula
369.29 g/mol
15 atoms

Ca4F11 has a molar mass of 369.29 g/mol, made up of 15 atoms across 2 elements: 4 × Ca, 11 × F.

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Molar mass

Molar mass369.29 g/mol

Total atoms per molecule15

Distinct elements2

Mass of one molecule6.1322047 × 10^-22 g

Molecules per gram1.6307349 × 10^21

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

Ca43.4%

F56.6%

Calcium (Ca × 4)160.312 g/mol, 43.411%

Fluorine (F × 11)208.978 g/mol, 56.589%

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