Recognised as Colour
#CA9831
- #CA9831
- Orange
- Dark
- Nearest: Dark goldenrod
#CA9831 is a orange with RGB values 202, 152, 49 and HSL 40°, 61%, 49%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark goldenrod.
Colour values
#CA9831#CA9831
HEX#CA9831
RGBrgb(202, 152, 49)
RGB (0–1)0.7922, 0.5961, 0.1922
RGB percentages79.2%, 59.6%, 19.2%
HSLhsl(40.4, 61%, 49.2%)
HSV / HSBhsv(40.4, 75.7%, 79.2%)
CMYK0%, 24.8%, 75.7%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,277,233
CSS custom property--colour: #CA9831;
Brightness & contrast
Relative luminance0.35235WCAG 2.x, 0 is black and 1 is white
Perceived brightness161.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.05:1
Contrast with white2.61:1WCAG normal text: Fail
Contrast with black8.05:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#3567CE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.61:1WCAG large text: Fail
Contrast with black, large text8.05:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3163CA
Analogous#CA4B31, #B0CA31
Triadic#31CA98, #9831CA
Split complementary#31B0CA, #4B31CA
Tetradic#31CA4B, #3163CA, #CA31B0
Tints, shades & saturation
Channel breakdown
R202
G152
B49
Red202 (79.2%)
Green152 (59.6%)
Blue49 (19.2%)
Hue40.39°
Saturation (HSL)60.96%
Lightness49.22%
Dominant channelRed
Hex per channelR CA · G 98 · B 31
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Harmonies
Similar named colours
Also reads as
Ca9831 (chemical formula)
- Formula
- 394,006.818 g/mol
- 9831 atoms
Ca9831 has a molar mass of 394,006.818 g/mol, made up of 9831 atoms across 1 element: 9831 × Ca.
Molar mass
Molar mass394,006.818 g/mol
Total atoms per molecule9831
Distinct elements1
Mass of one molecule6.5426371 × 10^-19 g
Molecules per gram1.5284357 × 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 × 9831)394,006.818 g/mol, 100%
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