Recognised as Colour
#B25507
- #B25507
- Orange
- Dark
- Nearest: Chocolate
#B25507 is a orange with RGB values 178, 85, 7 and HSL 27°, 92%, 36%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Chocolate.
Colour values
#B25507#B25507
HEX#B25507
RGBrgb(178, 85, 7)
RGB (0–1)0.698, 0.3333, 0.0275
RGB percentages69.8%, 33.3%, 2.7%
HSLhsl(27.4, 92.4%, 36.3%)
HSV / HSBhsv(27.4, 96.1%, 69.8%)
CMYK0%, 52.2%, 96.1%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,687,175
CSS custom property--colour: #B25507;
Brightness & contrast
Relative luminance0.15977WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.01:1
Contrast with white5.01:1WCAG normal text: AA
Contrast with black4.2:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#4DAAF8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.01:1WCAG large text: AAA
Contrast with black, large text4.2:1WCAG large text: AA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0764B2
Analogous#B2070F, #B2AA07
Triadic#07B255, #5507B2
Split complementary#07B2AA, #070FB2
Tetradic#0FB207, #0764B2, #AA07B2
Tints, shades & saturation
Channel breakdown
R178
G85
B7
Red178 (69.8%)
Green85 (33.3%)
Blue7 (2.7%)
Hue27.37°
Saturation (HSL)92.43%
Lightness36.27%
Dominant channelRed
Hex per channelR B2 · G 55 · B 07
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Also reads as
B25507 (chemical formula)
- Formula
- 275,730.67 g/mol
- 25507 atoms
B25507 has a molar mass of 275,730.67 g/mol, made up of 25507 atoms across 1 element: 25507 × B.
Molar mass
Molar mass275,730.67 g/mol
Total atoms per molecule25507
Distinct elements1
Mass of one molecule4.5786155 × 10^-19 g
Molecules per gram2.1840663 × 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 × 25507)275,730.67 g/mol, 100%
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