Recognised as Colour

#CC3904

#CC3904
Orange
Dark
Nearest: Tomato

#CC3904 is a orange with RGB values 204, 57, 4 and HSL 16°, 96%, 41%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#CC3904#CC3904

HEX#CC3904

RGBrgb(204, 57, 4)

RGB (0–1)0.8, 0.2235, 0.0157

RGB percentages80%, 22.4%, 1.6%

HSLhsl(15.9, 96.2%, 40.8%)

HSV / HSBhsv(15.9, 98%, 80%)

CMYK0%, 72.1%, 98%, 20%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,383,940

CSS custom property--colour: #CC3904;

Brightness & contrast

Relative luminance0.15772WCAG 2.x, 0 is black and 1 is white

Perceived brightness119.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.05:1

Contrast with white5.05:1WCAG normal text: AA

Contrast with black4.15:1WCAG normal text: Fail

Greyscale equivalent#545454

Inverted#33C6FB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#675A00no red cones; affects about 1% of men; ΔE 61.3 from the original

Deuteranopia#8B7B00no green cones; the most common form, about 1% of men; ΔE 61.2 from the original

Tritanopia#E10032no blue cones; rare, and affects men and women equally; ΔE 24.8 from the original

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

Contrast with white, large text5.05:1WCAG large text: AAA

Contrast with black, large text4.15:1WCAG large text: AA

Named colours

Tomato · ΔE 19.1 Orange red · ΔE 19.8 Chocolate · ΔE 21.1 Firebrick · ΔE 21.1 Dark red · ΔE 25.1 Coral · ΔE 25.2

Nearest named CSS colourTomato (#FF6347)ΔE 19.11, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0497CC

Analogous#CC0433, #CC9D04

Triadic#04CC39, #3904CC

Split complementary#04CC9D, #0433CC

Tetradic#33CC04, #0497CC, #9D04CC

Tints, shades & saturation

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

Lighter +40%#FDB89F

Lighter +30%#FC936D

Lighter +20%#FB6E3B

Lighter +10%#FA4909

Darker −10%#9A2B03

Darker −20%#681D02

Darker −30%#360F01

Darker −40%#040100

More saturated +25%#D03700

Less saturated −25%#B2451E

Channel breakdown

R204

G57

Red204 (80%)

Green57 (22.4%)

Blue4 (1.6%)

Hue15.9°

Saturation (HSL)96.15%

Lightness40.78%

Dominant channelRed

Hex per channelR CC · G 39 · B 04

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CC3904 (chemical formula)

Formula
46,902.955 g/mol
3905 atoms

CC3904 has a molar mass of 46,902.955 g/mol, made up of 3905 atoms across 1 element: 3905 × C.

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Molar mass

Molar mass46,902.955 g/mol

Total atoms per molecule3905

Distinct elements1

Mass of one molecule7.7884189 × 10^-20 g

Molecules per gram1.2839576 × 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

C100%

Carbon (C × 3905)46,902.955 g/mol, 100%

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Elements in this formula

Carbon

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