Recognised as Colour

#CA4304

#CA4304
Orange
Dark
Nearest: Chocolate

#CA4304 is a orange with RGB values 202, 67, 4 and HSL 19°, 96%, 40%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#CA4304#CA4304

HEX#CA4304

RGBrgb(202, 67, 4)

RGB (0–1)0.7922, 0.2627, 0.0157

RGB percentages79.2%, 26.3%, 1.6%

HSLhsl(19.1, 96.1%, 40.4%)

HSV / HSBhsv(19.1, 98%, 79.2%)

CMYK0%, 66.8%, 98%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,255,428

CSS custom property--colour: #CA4304;

Brightness & contrast

Relative luminance0.1658WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.87:1

Contrast with white4.87:1WCAG normal text: AA

Contrast with black4.32:1WCAG normal text: Fail

Greyscale equivalent#5B5B5B

Inverted#35BCFB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C5E00no red cones; affects about 1% of men; ΔE 56.5 from the original

Deuteranopia#8D7C00no green cones; the most common form, about 1% of men; ΔE 56.3 from the original

Tritanopia#DF123Ano blue cones; rare, and affects men and women equally; ΔE 30.2 from the original

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

Contrast with white, large text4.87:1WCAG large text: AAA

Contrast with black, large text4.32:1WCAG large text: AA

Named colours

Chocolate · ΔE 16.7 Tomato · ΔE 19.5 Orange red · ΔE 22.1 Firebrick · ΔE 22.3 Coral · ΔE 22.9 Dark red · ΔE 25.6

Nearest named CSS colourChocolate (#D2691E)ΔE 16.66, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#048BCA

Analogous#CA0428, #CAA604

Triadic#04CA43, #4304CA

Split complementary#04CAA6, #0428CA

Tetradic#28CA04, #048BCA, #A604CA

Tints, shades & saturation

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

Lighter +40%#FDBC9D

Lighter +30%#FC996B

Lighter +20%#FB7739

Lighter +10%#FA5407

Darker −10%#983203

Darker −20%#662202

Darker −30%#341101

Darker −40%#020100

More saturated +25%#CE4200

Less saturated −25%#B04C1E

Channel breakdown

R202

G67

Red202 (79.2%)

Green67 (26.3%)

Blue4 (1.6%)

Hue19.09°

Saturation (HSL)96.12%

Lightness40.39%

Dominant channelRed

Hex per channelR CA · G 43 · B 04

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ca4304 (chemical formula)

Formula
172,495.712 g/mol
4304 atoms

Ca4304 has a molar mass of 172,495.712 g/mol, made up of 4304 atoms across 1 element: 4304 × Ca.

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Molar mass

Molar mass172,495.712 g/mol

Total atoms per molecule4304

Distinct elements1

Mass of one molecule2.8643587 × 10^-19 g

Molecules per gram3.4911829 × 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

Ca100%

Calcium (Ca × 4304)172,495.712 g/mol, 100%

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Elements in this formula

Calcium

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