Recognised as Colour
#B38931
- #B38931
- Orange
- Dark
- Nearest: Dark goldenrod
#B38931 is a orange with RGB values 179, 137, 49 and HSL 41°, 57%, 45%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.
Colour values
#B38931#B38931
HEX#B38931
RGBrgb(179, 137, 49)
RGB (0–1)0.702, 0.5373, 0.1922
RGB percentages70.2%, 53.7%, 19.2%
HSLhsl(40.6, 57%, 44.7%)
HSV / HSBhsv(40.6, 72.6%, 70.2%)
CMYK0%, 23.5%, 72.6%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,766,065
CSS custom property--colour: #B38931;
Brightness & contrast
Relative luminance0.27697WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.54:1
Contrast with white3.21:1WCAG normal text: Fail
Contrast with black6.54:1WCAG normal text: AA
Greyscale equivalent#8C8C8C
Inverted#4C76CE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.21:1WCAG large text: AA
Contrast with black, large text6.54:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#315BB3
Analogous#B34831, #9CB331
Triadic#31B389, #8931B3
Split complementary#319CB3, #4831B3
Tetradic#31B348, #315BB3, #B3319C
Tints, shades & saturation
Channel breakdown
R179
G137
B49
Red179 (70.2%)
Green137 (53.7%)
Blue49 (19.2%)
Hue40.62°
Saturation (HSL)57.02%
Lightness44.71%
Dominant channelRed
Hex per channelR B3 · G 89 · B 31
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Harmonies
Similar named colours
Also reads as
B38931 (chemical formula)
- Formula
- 420,844.11 g/mol
- 38931 atoms
B38931 has a molar mass of 420,844.11 g/mol, made up of 38931 atoms across 1 element: 38931 × B.
Molar mass
Molar mass420,844.11 g/mol
Total atoms per molecule38931
Distinct elements1
Mass of one molecule6.9882809 × 10^-19 g
Molecules per gram1.4309671 × 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 × 38931)420,844.11 g/mol, 100%
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