Recognised as Colour
#B37500
- #B37500
- Orange
- Dark
- Nearest: Dark goldenrod
#B37500 is a orange with RGB values 179, 117, 0 and HSL 39°, 100%, 35%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.
Colour values
#B37500#B37500
HEX#B37500
RGBrgb(179, 117, 0)
RGB (0–1)0.702, 0.4588, 0
RGB percentages70.2%, 45.9%, 0%
HSLhsl(39.2, 100%, 35.1%)
HSV / HSBhsv(39.2, 100%, 70.2%)
CMYK0%, 34.6%, 100%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,760,896
CSS custom property--colour: #B37500;
Brightness & contrast
Relative luminance0.22306WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.46:1
Contrast with white3.85:1WCAG normal text: Fail
Contrast with black5.46:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#4C8AFF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.85:1WCAG large text: AA
Contrast with black, large text5.46:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#003EB3
Analogous#B31C00, #97B300
Triadic#00B375, #7500B3
Split complementary#0097B3, #1C00B3
Tetradic#00B31C, #003EB3, #B30097
Tints, shades & saturation
Channel breakdown
R179
G117
B0
Red179 (70.2%)
Green117 (45.9%)
Blue0 (0%)
Hue39.22°
Saturation (HSL)100%
Lightness35.1%
Dominant channelRed
Hex per channelR B3 · G 75 · B 00
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Also reads as
B37500 (chemical formula)
- Formula
- 405,375 g/mol
- 37500 atoms
B37500 has a molar mass of 405,375 g/mol, made up of 37500 atoms across 1 element: 37500 × B.
Molar mass
Molar mass405,375 g/mol
Total atoms per molecule37500
Distinct elements1
Mass of one molecule6.7314102 × 10^-19 g
Molecules per gram1.4855728 × 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 × 37500)405,375 g/mol, 100%
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