Recognised as Colour
#BB8531
- #BB8531
- Orange
- Dark
- Nearest: Peru
#BB8531 is a orange with RGB values 187, 133, 49 and HSL 37°, 58%, 46%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Peru.
Colour values
#BB8531#BB8531
HEX#BB8531
RGBrgb(187, 133, 49)
RGB (0–1)0.7333, 0.5216, 0.1922
RGB percentages73.3%, 52.2%, 19.2%
HSLhsl(36.5, 58.5%, 46.3%)
HSV / HSBhsv(36.5, 73.8%, 73.3%)
CMYK0%, 28.9%, 73.8%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,289,329
CSS custom property--colour: #BB8531;
Brightness & contrast
Relative luminance0.27562WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.51:1
Contrast with white3.22:1WCAG normal text: Fail
Contrast with black6.51:1WCAG normal text: AA
Greyscale equivalent#8A8A8A
Inverted#447ACE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.22:1WCAG large text: AA
Contrast with black, large text6.51:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3167BB
Analogous#BB4031, #ACBB31
Triadic#31BB85, #8531BB
Split complementary#31ACBB, #4031BB
Tetradic#31BB40, #3167BB, #BB31AC
Tints, shades & saturation
Channel breakdown
R187
G133
B49
Red187 (73.3%)
Green133 (52.2%)
Blue49 (19.2%)
Hue36.52°
Saturation (HSL)58.47%
Lightness46.27%
Dominant channelRed
Hex per channelR BB · G 85 · B 31
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Harmonies
Similar named colours
Also reads as
BB8531 (chemical formula)
- Formula
- 92,230.92 g/mol
- 8532 atoms
BB8531 has a molar mass of 92,230.92 g/mol, made up of 8532 atoms across 1 element: 8532 × B.
Molar mass
Molar mass92,230.92 g/mol
Total atoms per molecule8532
Distinct elements1
Mass of one molecule1.5315305 × 10^-19 g
Molecules per gram6.5294163 × 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
B100%
Boron (B × 8532)92,230.92 g/mol, 100%
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