Colour

#CA4307

#CA4307
Orange
Dark
Nearest: Chocolate

#CA4307 is a orange with RGB values 202, 67, 7 and HSL 18°, 93%, 41%. 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

#CA4307#CA4307

HEX#CA4307

RGBrgb(202, 67, 7)

RGB (0–1)0.7922, 0.2627, 0.0275

RGB percentages79.2%, 26.3%, 2.7%

HSLhsl(18.5, 93.3%, 41%)

HSV / HSBhsv(18.5, 96.5%, 79.2%)

CMYK0%, 66.8%, 96.5%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,255,431

CSS custom property--colour: #CA4307;

Brightness & contrast

Relative luminance0.16586WCAG 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 4.86:1

Contrast with white4.86:1WCAG normal text: AA

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

Greyscale equivalent#5B5B5B

Inverted#35BCF8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C5E00no red cones; affects about 1% of men; ΔE 56.4 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 29.6 from the original

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

Contrast with white, large text4.86:1WCAG large text: AAA

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

Named colours

Chocolate · ΔE 16.7 Tomato · ΔE 19 Firebrick · ΔE 21.6 Orange red · ΔE 22.5 Coral · ΔE 22.6 Dark red · ΔE 25.2

Nearest named CSS colourChocolate (#D2691E)ΔE 16.65, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#078ECA

Analogous#CA072D, #CAA407

Triadic#07CA43, #4307CA

Split complementary#07CAA4, #072DCA

Tetradic#2DCA07, #078ECA, #A407CA

Tints, shades & saturation

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

Lighter +40%#FCBDA1

Lighter +30%#FA9A70

Lighter +20%#F8783F

Lighter +10%#F7550D

Darker −10%#993305

Darker −20%#672204

Darker −30%#361202

Darker −40%#050200

More saturated +25%#D14000

Less saturated −25%#B04D21

Channel breakdown

R202

G67

Red202 (79.2%)

Green67 (26.3%)

Blue7 (2.7%)

Hue18.46°

Saturation (HSL)93.3%

Lightness40.98%

Dominant channelRed

Hex per channelR CA · G 43 · B 07

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ca4307 (chemical formula)

Formula
172,615.946 g/mol
4307 atoms

Ca4307 has a molar mass of 172,615.946 g/mol, made up of 4307 atoms across 1 element: 4307 × Ca.

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Molar mass

Molar mass172,615.946 g/mol

Total atoms per molecule4307

Distinct elements1

Mass of one molecule2.8663552 × 10^-19 g

Molecules per gram3.4887511 × 10^18

Composition by mass

Ca100%

Calcium (Ca × 4307)172,615.946 g/mol, 100%

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Elements in this formula

Calcium

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