Recognised as Colour
#B78C83
- #B78C83
- Red
- Dark
- Nearest: Rosy brown
#B78C83 is a red with RGB values 183, 140, 131 and HSL 10°, 27%, 62%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Rosy brown.
Colour values
#B78C83#B78C83
HEX#B78C83
RGBrgb(183, 140, 131)
RGB (0–1)0.7176, 0.549, 0.5137
RGB percentages71.8%, 54.9%, 51.4%
HSLhsl(10.4, 26.5%, 61.6%)
HSV / HSBhsv(10.4, 28.4%, 71.8%)
CMYK0%, 23.5%, 28.4%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,029,059
CSS custom property--colour: #B78C83;
Brightness & contrast
Relative luminance0.30462WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.09:1
Contrast with white2.96:1WCAG normal text: Fail
Contrast with black7.09:1WCAG normal text: AAA
Greyscale equivalent#949494
Inverted#48737C
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.96:1WCAG large text: Fail
Contrast with black, large text7.09:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#83AEB7
Analogous#B78394, #B7A683
Triadic#83B78C, #8C83B7
Split complementary#83B7A6, #8394B7
Tetradic#94B783, #83AEB7, #A683B7
Tints, shades & saturation
Channel breakdown
R183
G140
B131
Red183 (71.8%)
Green140 (54.9%)
Blue131 (51.4%)
Hue10.38°
Saturation (HSL)26.53%
Lightness61.57%
Dominant channelRed
Hex per channelR B7 · G 8C · B 83
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Also reads as
B78C83 (chemical formula)
- Formula
- 1,840.093 g/mol
- 161 atoms
B78C83 has a molar mass of 1,840.093 g/mol, made up of 161 atoms across 2 elements: 78 × B, 83 × C.
Molar mass
Molar mass1,840.093 g/mol
Total atoms per molecule161
Distinct elements2
Mass of one molecule3.0555463 × 10^-21 g
Molecules per gram3.2727372 × 10^20
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
B45.8%
C54.2%
Boron (B × 78)843.18 g/mol, 45.823%
Carbon (C × 83)996.913 g/mol, 54.177%
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