Recognised as Colour
#B57902
- #B57902
- Orange
- Dark
- Nearest: Dark goldenrod
#B57902 is a orange with RGB values 181, 121, 2 and HSL 40°, 98%, 36%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.
Colour values
#B57902#B57902
HEX#B57902
RGBrgb(181, 121, 2)
RGB (0–1)0.7098, 0.4745, 0.0078
RGB percentages71%, 47.5%, 0.8%
HSLhsl(39.9, 97.8%, 35.9%)
HSV / HSBhsv(39.9, 98.9%, 71%)
CMYK0%, 33.1%, 98.9%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,892,994
CSS custom property--colour: #B57902;
Brightness & contrast
Relative luminance0.23503WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.7:1
Contrast with white3.68:1WCAG normal text: Fail
Contrast with black5.7:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#4A86FD
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.68:1WCAG large text: AA
Contrast with black, large text5.7:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#023EB5
Analogous#B52002, #97B502
Triadic#02B579, #7902B5
Split complementary#0297B5, #2002B5
Tetradic#02B520, #023EB5, #B50297
Tints, shades & saturation
Channel breakdown
R181
G121
B2
Red181 (71%)
Green121 (47.5%)
Blue2 (0.8%)
Hue39.89°
Saturation (HSL)97.81%
Lightness35.88%
Dominant channelRed
Hex per channelR B5 · G 79 · B 02
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Also reads as
B57902 (chemical formula)
- Formula
- 625,920.62 g/mol
- 57902 atoms
B57902 has a molar mass of 625,920.62 g/mol, made up of 57902 atoms across 1 element: 57902 × B.
Molar mass
Molar mass625,920.62 g/mol
Total atoms per molecule57902
Distinct elements1
Mass of one molecule1.0393656 × 10^-18 g
Molecules per gram9.6212532 × 10^17
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 × 57902)625,920.62 g/mol, 100%
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