Recognised as Colour

#CA8803

#CA8803
Orange
Dark
Nearest: Dark goldenrod

#CA8803 is a orange with RGB values 202, 136, 3 and HSL 40°, 97%, 40%. 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

#CA8803#CA8803

HEX#CA8803

RGBrgb(202, 136, 3)

RGB (0–1)0.7922, 0.5333, 0.0118

RGB percentages79.2%, 53.3%, 1.2%

HSLhsl(40.1, 97.1%, 40.2%)

HSV / HSBhsv(40.1, 98.5%, 79.2%)

CMYK0%, 32.7%, 98.5%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,273,091

CSS custom property--colour: #CA8803;

Brightness & contrast

Relative luminance0.30171WCAG 2.x, 0 is black and 1 is white

Perceived brightness151.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.03:1

Contrast with white2.99:1WCAG normal text: Fail

Contrast with black7.03:1WCAG normal text: AAA

Greyscale equivalent#8C8C8C

Inverted#3577FC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9F8C00no red cones; affects about 1% of men; ΔE 22.4 from the original

Deuteranopia#AF9C0Eno green cones; the most common form, about 1% of men; ΔE 23 from the original

Tritanopia#DD7774no blue cones; rare, and affects men and women equally; ΔE 52.3 from the original

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

Contrast with white, large text2.99:1WCAG large text: Fail

Contrast with black, large text7.03:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 8.3 Goldenrod · ΔE 12.3 Orange · ΔE 19.3 Peru · ΔE 19.4 Dark orange · ΔE 23.2 Chocolate · ΔE 23.4

Nearest named CSS colourDark goldenrod (#B8860B)ΔE 8.35, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0345CA

Analogous#CA2403, #A9CA03

Triadic#03CA88, #8803CA

Split complementary#03A9CA, #2403CA

Tetradic#03CA24, #0345CA, #CA03A9

Tints, shades & saturation

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

Lighter +40%#FEDD9B

Lighter +30%#FDCC69

Lighter +20%#FCBB37

Lighter +10%#FBAA05

Darker −10%#986602

Darker −20%#654402

Darker −30%#332201

Darker −40%#010100

More saturated +25%#CD8900

Less saturated −25%#B07F1D

Channel breakdown

R202

G136

Red202 (79.2%)

Green136 (53.3%)

Blue3 (1.2%)

Hue40.1°

Saturation (HSL)97.07%

Lightness40.2%

Dominant channelRed

Hex per channelR CA · G 88 · B 03

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ca8803 (chemical formula)

Formula
352,806.634 g/mol
8803 atoms

Ca8803 has a molar mass of 352,806.634 g/mol, made up of 8803 atoms across 1 element: 8803 × Ca.

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Molar mass

Molar mass352,806.634 g/mol

Total atoms per molecule8803

Distinct elements1

Mass of one molecule5.858492 × 10^-19 g

Molecules per gram1.7069239 × 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 × 8803)352,806.634 g/mol, 100%

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Elements in this formula

Calcium

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